> ## Content Index > Fetch the complete content index at: https://projectorsplace.com/llms.txt > Use this file to discover other available public pages before exploring further. # Best Eye Drops for Red Itchy Watery Eyes: Opcon-A Wins - URL: https://projectorsplace.com/best-eye-drops-red-itchy-watery/ - Published: 2026-09-07T07:00:59.000Z - Updated: 2026-09-07T09:49:23.000Z - Description: Six allergy eye drops, lined up by active ingredient, bottle size and how long one drop is claimed to last. Opcon-A leads for the red-plus-itch combination, with a once-daily olopatadine option for people who hate mid-afternoon reapplication. - Author: Elsie Duncan - Tags: Allergy, Sinus & Asthma, Allergy Relief, Eye Care The best eye drops for red itchy watery eyes are the Opcon-A Allergy Eye Drops, because they're the only pick here that pairs an antihistamine with a dedicated redness reliever, and the 0.51 Fl Oz twin pack means a bottle at home and one in the bag. If you'd rather dose once in the morning and forget it, the Bausch+Lomb Advanced Eye Relief drops claim 16 hours of relief from a single application. Get this choice wrong and you spend a whole pollen season reapplying every four hours while your eyes stay pink. In this guide 1. [Best eye drops for red itchy watery eyes at a glance](#best-eye-drops-for-red-itchy-watery-eyes-at-a-glance) 2. [How I screened these best eye drops for red itchy watery eyes](#how-i-screened-these-best-eye-drops-for-red-itchy-watery-eyes) 3. [Antihistamine or redness reliever: which do you actually need?](#antihistamine-or-redness-reliever-which-do-you-actually-need) 4. [Does the watery part change what you should buy?](#does-the-watery-part-change-what-you-should-buy) 5. [1\. Opcon-A Allergy Eye Drops — Best overall](#1-opcon-a-allergy-eye-drops-%E2%80%94-best-overall) 6. [2\. Bausch + Lomb Bausch+Lomb Advanced Eye Relief Eye Drops — Best for pros](#2-bausch-lomb-bauschlomb-advanced-eye-relief-eye-drops-%E2%80%94-best-for-pros) 7. [3\. Alcon Zaditor Antihistamine Eye Drops — Best premium](#3-alcon-zaditor-antihistamine-eye-drops-%E2%80%94-best-premium) 8. [4\. Pataday Twice Daily Allergy Eye Drops — Best minimal setup](#4-pataday-twice-daily-allergy-eye-drops-%E2%80%94-best-minimal-setup) 9. [5\. Zaditor Systane Eye Itch Relief Antihistamine Eye Drops — Best upgrade](#5-zaditor-systane-eye-itch-relief-antihistamine-eye-drops-%E2%80%94-best-upgrade) 10. [6\. Alaway Antihistamine Eye Drops — Best budget pick](#6-alaway-antihistamine-eye-drops-%E2%80%94-best-budget-pick) 11. [How long does one bottle last?](#how-long-does-one-bottle-last) 12. [What the listings do not tell you](#what-the-listings-do-not-tell-you) 13. [The verdict](#the-verdict) 14. [FAQ](#faq) ## Best eye drops for red itchy watery eyes at a glance | Pick | Active approach | Claimed duration | Price | | -------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------ | -------------------- | -------------------------------------------------------------------- | | **Best overall**[Opcon-A Allergy Eye Drops](https://www.amazon.com/dp/B003DH541M?tag=projplace-20) | Antihistamine + redness reliever | Not stated | [Check Price](https://www.amazon.com/dp/B003DH541M?tag=projplace-20) | | **Best for pros**[Bausch+Lomb Advanced Eye Relief Eye Drops](https://www.amazon.com/dp/B0DJTZH6NM?tag=projplace-20) | Olopatadine 0.2% | Up to 16 hours claim | [Check Price](https://www.amazon.com/dp/B0DJTZH6NM?tag=projplace-20) | | **Best premium**[Alcon Zaditor Antihistamine Eye Drops](https://www.amazon.com/dp/B00CBXQ04O?tag=projplace-20) | Antihistamine, no vasoconstrictor | Up to 12 hours claim | [Check Price](https://www.amazon.com/dp/B00CBXQ04O?tag=projplace-20) | | **Best minimal setup**[Pataday Twice Daily Allergy Eye Drops](https://www.amazon.com/dp/B0857XKR3Z?tag=projplace-20) | Olopatadine 0.1% | Up to 8 hours claim | [Check Price](https://www.amazon.com/dp/B0857XKR3Z?tag=projplace-20) | | **Best upgrade**[Zaditor Systane Eye Itch Relief Antihistamine Eye Drops](https://www.amazon.com/dp/B00119SZOW?tag=projplace-20) | Antihistamine, prescription-strength claim | Not stated | [Check Price](https://www.amazon.com/dp/B00119SZOW?tag=projplace-20) | | **Best budget pick**[Alaway Antihistamine Eye Drops](https://www.amazon.com/dp/B001ET7D4W?tag=projplace-20) | Antihistamine, itch only | Not stated | [Check Price](https://www.amazon.com/dp/B001ET7D4W?tag=projplace-20) | ## How I screened these best eye drops for red itchy watery eyes I started with the allergy eye drop listings in this category and lined up their published specifications side by side. Bottle volume, pack count, stated duration, minimum age, and what each brand says the active ingredient does. Six survived. Here's what the data actually shows about these six best eye drops for red itchy watery eyes: - **Five of six are single-bottle purchases.** Only Opcon-A and the Alcon twin pack ship two. - **Volumes run from 0.12 Fl Oz to 0.51 Fl Oz.** That's more than a fourfold spread, and the price positions don't track it. - **Only one pick names redness explicitly in its own mechanism.** Opcon-A. The rest are itch drops. - **Two picks state a minimum age.** Pataday says 2 and up, Alcon Zaditor says 3 and up. - **Two picks are olopatadine formulas.** Bausch+Lomb Advanced at 0.2%, Pataday at 0.1%. What got cut: anything with no published volume, anything where the pack count and bottle size contradicted each other in the listing, and anything sitting outside the allergy eye drop path entirely. Lubricating drops for dry eye are a different product doing a different job, and mixing them into this set would muddy the comparison. The screen left me with a clean split. Three ketotifen-family antihistamines, two olopatadine formulas at different concentrations, and one combination drop. That split is the whole decision. ## Antihistamine or redness reliever: which do you actually need? This is where most shoppers go wrong, and it costs them a season. An antihistamine drop targets the itch. Every pick here contains one. A redness reliever is a separate thing: it constricts the blood vessels in the white of the eye so the pink fades. Only Opcon-A publishes both, and Alcon states outright that its formula "doesn't use a vasoconstrictor." So if your complaint is itch, any of these six is aimed at your problem. If your complaint is that people keep asking whether you've been crying, the field narrows to one. The obvious specification most guides compare is bottle volume, and it misleads badly here. The largest bottle in this set is an itch-and-redness combination that carries no stated duration. The smallest, at 0.12 Fl Oz, claims 16 hours from one drop. Volume tells you how long the bottle lasts. It tells you nothing about how long each drop lasts, and those are different questions with different answers. Three things worth knowing before you pick: 1. **Duration claims come straight from the manufacturer.** Alcon says 12 hours, Bausch+Lomb says 16, Pataday says 8\. These are label claims, not independent measurements. 2. **Vasoconstrictors are the trade-off nobody mentions.** Alcon flags the absence of one as a feature, which tells you the brands consider it a meaningful distinction. 3. **Contact lens wearers have extra steps.** Both Zaditor Systane and Pataday state you must remove lenses and wait at least 10 minutes. ## Does the watery part change what you should buy? Honestly, not as much as the keyword suggests. None of these six listings claims to treat watering as a standalone symptom. Watering is usually downstream of the irritation, so the drops target the histamine reaction and the tearing settles with it. That means the "watery" half of your search is a symptom description, not a specification you can shop against. Nobody in this set publishes a tear-reduction figure, and I'm not going to invent one. Judge it for yourself: if your eyes water alongside itching during pollen season, an antihistamine drop is the right category. If they water constantly and don't itch, that's a different conversation and a different aisle. What you *can* shop against is dosing frequency. Watery eyes are miserable partly because you're constantly blotting them, and the last thing you want is a drop that needs reapplying four times before lunch. On that measure, the Bausch+Lomb Advanced Eye Relief formula makes the strongest published claim at up to 16 hours. Pataday's 8-hour claim, by contrast, is a twice-daily product by design, which the name says plainly. Skip the guesswork on ingredient strength. Two picks state their olopatadine concentration on the label: 0.2% and 0.1%. That's the only concentration figure published anywhere in this set, and it lines up exactly with the duration difference between them. ## 1\. Opcon-A Allergy Eye Drops — Best overall **The only pick here built to hit redness and itch with separate active components, in the largest volume of the six.** [![Opcon-A twin pack of allergy eye drops in retail carton — the only pick pairing an antihistamine with a redness reliever](https://m.media-amazon.com/images/I/51SSM208PXL._SL500_.jpg)](https://www.amazon.com/dp/B003DH541M?tag=projplace-20) **Best for:** seasonal allergy sufferers whose eyes go red as well as itchy **Skip it if:** you need a single morning dose that lasts all day Opcon-A wins on set composition more than on any single figure. Bausch + Lomb describes it as combining "an antihistamine with a redness reliever," and no other pick in this group publishes that pairing. Alcon's Zaditor even markets the absence of a vasoconstrictor as a selling point, which puts the two products on opposite sides of the same design decision. Volume is the second argument. At 0.51 Fl Oz across a pack of 2, this is the largest quantity in the set by a wide margin, roughly four times the 0.12 Fl Oz of the Bausch+Lomb Advanced bottle. Two bottles also means one at home and one in a bag or glovebox, which matters when the itch starts at a stoplight in April. It's the second-cheapest pick here and the one buyers choose most often in this group. The trade-off is duration. Opcon-A publishes no hours-per-drop figure, while three rivals do. The listing calls the formula "clinically proven" for redness and itching from allergens, and that's the brand's claim, not a measured result I can verify. The 2010 release date also makes it the oldest formula here. **Pros:** - Only pick pairing antihistamine with a redness reliever - Largest volume in the set at 0.51 Fl Oz - Twin pack covers two locations - Second-cheapest of the six - Sells faster than the rest of this set **Cons:** - No published hours-per-drop duration claim - Contains a vasoconstrictor, which rivals flag as a differentiator - Oldest formula here, dating to 2010 - No minimum age stated on the listing [Check Price on Amazon](https://www.amazon.com/dp/B003DH541M?tag=projplace-20) ## 2\. Bausch + Lomb Bausch+Lomb Advanced Eye Relief Eye Drops — Best for pros **The longest published duration claim in the set, from the smallest bottle and the highest stated olopatadine concentration.** [![Bausch+Lomb Advanced Eye Relief allergy itch drops bottle — the only 0.2% olopatadine formula in this comparison](https://m.media-amazon.com/images/I/41hMNuo9u-L._SL500_.jpg)](https://www.amazon.com/dp/B0DJTZH6NM?tag=projplace-20) **Best for:** anyone who wants one dose in the morning and nothing after **Skip it if:** you want the biggest bottle for the money This is the once-daily option, and the numbers behind that claim are the clearest in the group. Bausch + Lomb states an Olopatadine 0.2% Hydrochloride solution and says it "start\[s\] working in minutes to alleviate eye allergy itch for up to 16 hours." That's double Pataday's 8-hour claim and four hours longer than Alcon's 12, and it's the only 0.2% concentration published here. If you're at a desk all day, or teaching, or driving, a drop you administer at breakfast and forget is worth a lot. One dose beats four. The mid-range price position makes that convenience less painful than the twin-pack premium picks. The bottle is the catch. At 0.12 Fl Oz this is the smallest volume of the six, weighing just 2.83 g, so it will empty faster than anything else here in calendar terms. The listing also publishes no dimensions and no minimum age, which makes it the thinnest specification sheet in the set. It's the slowest seller of the six too, which is unsurprising for a newer entry, but it means fewer sellers to choose from than the twin packs. This is an itch drop, not a redness drop. **Pros:** - Longest duration claim in the set at up to 16 hours - Highest published olopatadine concentration at 0.2% - Once-daily dosing, no midday reapplication - Mid-range price position for a premium claim **Cons:** - Smallest volume of all six at 0.12 Fl Oz - No stated minimum age on the listing - No published dimensions - Targets itch only, with no redness reliever [Check Price on Amazon](https://www.amazon.com/dp/B0DJTZH6NM?tag=projplace-20) ## 3\. Alcon Zaditor Antihistamine Eye Drops — Best premium **A twin pack of the 12-hour ketotifen formula, explicitly built without a vasoconstrictor.** [![Alcon Zaditor twin pack carton of antihistamine eye drops — two 5-mL bottles with a 12-hour relief claim](https://m.media-amazon.com/images/I/41MOloT+VsL._SL500_.jpg)](https://www.amazon.com/dp/B00CBXQ04O?tag=projplace-20) **Best for:** households dosing two people or two locations **Skip it if:** your budget is the deciding factor Alcon takes a clear position here, and it's the opposite of Opcon-A's. The listing states the "original prescription-strength formula doesn't use a vasoconstrictor," which means it goes after itch without touching the blood vessels that make eyes look pink. For anyone who has been told to avoid redness relievers, that sentence is the whole reason to buy. The duration claim is up to 12 hours from one drop, and Alcon says the drops are "safe and effective for children aged 3 years and older." At 0.17 Fl Oz across a pack of 2, you get double the liquid of the single Zaditor Systane bottle in the same family, in a 3.87 x 1.28 x 2.59 in carton weighing 1.06 oz. It's also the most expensive pick here. You're paying the top price in this set for a formula that a single-bottle sibling in the same group sells at a mid-range position, so the premium buys quantity rather than any extra published capability. And if redness is your headline complaint, the absence of a vasoconstrictor works against you rather than for you. Worth knowing that the label states a count of 1 while the size field says pack of 2, so check the carton on arrival. **Pros:** - Twin pack at 0.17 Fl Oz total - Up to 12 hours from one drop, per Alcon - Explicitly formulated without a vasoconstrictor - Stated safe for children aged 3 and older **Cons:** - Most expensive pick in this set - No redness reliever, by design - Listing count and pack size fields disagree - Shorter duration claim than the 0.2% olopatadine option [Check Price on Amazon](https://www.amazon.com/dp/B00CBXQ04O?tag=projplace-20) ## 4\. Pataday Twice Daily Allergy Eye Drops — Best minimal setup **The lowest stated minimum age in the set, at 2 years and up, with a published 0.1% olopatadine concentration.** [![Pataday Twice Daily allergy eye drops carton — approved for ages 2 and up with an 8-hour relief claim](https://m.media-amazon.com/images/I/51Gw2YUVTmL._SL500_.jpg)](https://www.amazon.com/dp/B0857XKR3Z?tag=projplace-20) **Best for:** families with a child aged two or older **Skip it if:** you need coverage past the eight-hour mark Pataday is the family pick, and the reason is one number. The listing states these drops are "approved for use by adults and children aged 2 years and older," which is the lowest stated age in this group, a year below Alcon Zaditor's 3\. If you're buying one bottle for a household with a toddler and a parent both sneezing through spring, that's the constraint that decides it. The formula is 0.1% Olopatadine, and Pataday claims "up to 8 hours of eye allergy itch relief that works in minutes." Notably, this is the only pick besides Opcon-A whose listing names both itch and redness as targets. The bottle measures 3.25 x 1.75 x 1.25 in at 0.17 Fl Oz, and it's the only pick in this set listed under the broader allergy medicine path rather than allergy eye drops specifically. Twice-daily is the honest read of that 8-hour claim. It's the shortest published duration in the group, half of what the Bausch+Lomb Advanced bottle claims from the same drug family at double the concentration. Only one seller lists it, and it's a premium price position for the second-shortest coverage window here. Contact lens wearers must remove lenses and wait at least 10 minutes. **Pros:** - Lowest stated minimum age at 2 years and up - Names both itch and redness in the listing - Published concentration of 0.1% olopatadine - Compact 3.25 x 1.75 x 1.25 in bottle **Cons:** - Shortest duration claim in the set at up to 8 hours - Premium price position for a single 0.17 Fl Oz bottle - Only one seller lists it - Requires removing contacts and waiting 10 minutes [Check Price on Amazon](https://www.amazon.com/dp/B0857XKR3Z?tag=projplace-20) ## 5\. Zaditor Systane Eye Itch Relief Antihistamine Eye Drops — Best upgrade **The single-bottle route into the Zaditor formula, at a mid-range price instead of the twin pack's premium.** [![Zaditor Systane eye itch relief drops in a 5 mL bottle — the single-bottle version of the prescription-strength antihistamine](https://m.media-amazon.com/images/I/41fUOA2wGfL._SL500_.jpg)](https://www.amazon.com/dp/B00119SZOW?tag=projplace-20) **Best for:** a single-bottle trial of ketotifen before committing **Skip it if:** you already know ketotifen works and want the twin pack This is the sensible way to find out whether a ketotifen antihistamine suits your eyes without buying two bottles of it. The listing describes an "over-the-counter, prescription-strength formula" containing an antihistamine that targets itch "right at the source," aimed at pollen, ragweed, grass and animal dander. At 0.17 Fl Oz and 5.67 g in a 3.8 x 1.9 x 1.1 in bottle, it's the same single-bottle volume as Pataday, but it sits at a mid-range price position rather than a premium one. That's the practical argument for starting here. If it works, you know what to reorder. If it doesn't, you've spent less finding out. Where it falls short is what the listing doesn't say. Unlike the Alcon twin pack, this page publishes no duration figure at all, and no minimum age. It also states no colour. That leaves you comparing a claim of "long-lasting" against rivals that print actual hours, which is not a fair fight for a shopper trying to decide. Only one seller lists it. Contacts must come out first, with a 10-minute wait before reinserting. **Pros:** - Mid-range price for a single-bottle trial - 0.17 Fl Oz, matching the premium single bottles - Compact 3.8 x 1.9 x 1.1 in bottle - Names the specific allergens it targets **Cons:** - No published duration claim, unlike the twin pack - No stated minimum age - Only one seller lists it - No redness reliever component [Check Price on Amazon](https://www.amazon.com/dp/B00119SZOW?tag=projplace-20) ## 6\. Alaway Antihistamine Eye Drops — Best budget pick **The cheapest way into an antihistamine eye drop here, in the smallest single bottle of the antihistamine group.** [![Alaway antihistamine eye drops bottle at 0.34 Fl Oz — the cheapest pick in this comparison](https://m.media-amazon.com/images/I/41j1c6688LL._SL500_.jpg)](https://www.amazon.com/dp/B001ET7D4W?tag=projplace-20) **Best for:** occasional itch flare-ups a few times a year **Skip it if:** redness is your main complaint If your eyes itch for two weeks in May and then leave you alone, this is the rational purchase. Alaway is the cheapest of the six, and Bausch + Lomb describes it as "fast-acting antihistamine eye drops" that "work in minutes at the source of eye itch symptoms" for pollen, ragweed, grass, pet hair and dander. The 0.34 Fl Oz bottle is interesting on volume. It holds twice as much as the 0.17 Fl Oz singles above it and nearly three times the Bausch+Lomb Advanced bottle, at 9.07 g. So for a shopper counting drops rather than hours, the cheapest pick here also carries the second-largest volume in the set. That's a genuinely good combination. What it doesn't do is address redness. The listing is titled for itch relief, mentions itch in every feature, and never claims a redness reliever. It also publishes no duration figure and no minimum age. The listed 6 x 4 x 4 in dimensions clearly describe packaging rather than the bottle, which makes the specification sheet less useful than it looks. It's a straightforward itch drop, priced accordingly. **Pros:** - Cheapest pick in this set - Second-largest volume at 0.34 Fl Oz - Names specific allergen triggers - From the same maker as the overall winner **Cons:** - Targets itch only, with no redness claim - No published duration figure - No stated minimum age - Listed dimensions describe the box, not the bottle [Check Price on Amazon](https://www.amazon.com/dp/B001ET7D4W?tag=projplace-20) ## How long does one bottle last? Nobody publishes a drop count, so I won't pretend to know one. What you can compare is volume, and the spread here is genuinely large. Ranked by total liquid in the package: 1. **Opcon-A** at 0.51 Fl Oz across two bottles 2. **Alaway** at 0.34 Fl Oz in one bottle 3. **Alcon Zaditor** at 0.17 Fl Oz across two bottles 4. **Zaditor Systane** and **Pataday**, both 0.17 Fl Oz in one bottle 5. **Bausch+Lomb Advanced** at 0.12 Fl Oz in one bottle Now cross that against dosing. The Bausch+Lomb Advanced bottle holds the least liquid but needs one dose a day, per its own 16-hour claim. Pataday holds more but is a twice-daily product by name. So the smallest bottle in the set is not automatically the one you'll replace first. The other variable is how many bottles you actually want. Two picks ship a pair: Opcon-A and Alcon Zaditor. Everything else is single. If you keep drops at work and at home, a twin pack removes the annoying decision of which location loses out. ## What the listings do not tell you A fair amount, and it's worth naming. - **No expiry or shelf-life dates.** None of the six publishes one, which matters for a product you may use seasonally. - **Preservative status is unstated on most.** Bausch + Lomb mentions preservative-free options across its range, but none of these specific listings claims to be one. - **Only two picks state a minimum age.** Pataday at 2 and up, Alcon Zaditor at 3 and up. The other four say nothing, so assume nothing. - **No warranty on any pick.** Standard for the category, but it means there's no stated recourse if a bottle arrives faulty. - **Duration figures are label claims.** Alcon's 12 hours, Bausch+Lomb's 16, Pataday's 8\. These come from the manufacturers. One more thing. Every pick here is a temporary symptom reliever, and the listings describe them that way. If redness or watering persists rather than flaring with the seasons, no drop in this set claims to fix the underlying cause, and the listings all say relief is temporary. That's a conversation for an eye care professional, not a shopping decision. ## The verdict Split by what you're willing to spend, because the tiers here buy genuinely different things. At the entry end, Alaway is the cheapest pick and gives you 0.34 Fl Oz of a straightforward itch antihistamine. Opcon-A sits just above it and buys you two things Alaway doesn't have: 0.51 Fl Oz, the largest volume in the set, and a redness reliever alongside the antihistamine. That combination is why it's the winner. If your eyes are red as well as itchy, the entry tier already solves your whole problem, and you don't need to spend more. Mid-range gets you duration claims. The Bausch+Lomb Advanced bottle publishes 0.2% olopatadine and up to 16 hours from one drop, the longest claim of the six, from the smallest 0.12 Fl Oz bottle. Zaditor Systane occupies the same tier as a single-bottle ketotifen trial with no duration figure printed at all. Premium buys pack count and age approvals, not extra hours. Alcon Zaditor is the most expensive pick and claims 12 hours across two bottles, formulated without a vasoconstrictor. Pataday is the family answer at 2 years and up, but its 8-hour claim is the shortest here. So: Opcon-A for red and itchy, Bausch+Lomb Advanced for once-daily, Pataday for a toddler. ## FAQ ### Which are the best eye drops for red itchy watery eyes on a budget? The best eye drops for red itchy watery eyes on a tight budget are Alaway, the cheapest of the six, holding 0.34 Fl Oz. But Opcon-A sits only one position above it and adds a redness reliever plus 0.51 Fl Oz across two bottles. For a small step up in price, that's a lot more liquid and a second active component. ### Are premium allergy eye drops worth it over the entry-priced options? Premium allergy eye drops are worth it in two specific cases. Pataday states approval for children aged 2 and older, the lowest age in this set, and Alcon Zaditor ships two bottles formulated without a vasoconstrictor at a 12-hour claim. If neither applies to you, the entry tier delivers more liquid for less money. ### Can I wear contact lenses with these eye drops? Wearing contact lenses with these drops requires extra steps on at least two picks. Zaditor Systane and Pataday both state that you must remove lenses before use and wait at least 10 minutes before reinserting them. The other four listings publish no lens guidance at all, so read the carton rather than assuming they're lens-friendly. ### Opcon-A or Bausch+Lomb Advanced: which should I choose? Choose between Opcon-A and Bausch+Lomb Advanced on symptoms and schedule. Opcon-A is the only pick combining an antihistamine with a redness reliever, in the largest 0.51 Fl Oz volume. Bausch+Lomb Advanced publishes 0.2% olopatadine with a 16-hour claim from one dose. Red eyes point to Opcon-A. Once-daily convenience points to Bausch+Lomb. ### What mistake do people make buying allergy eye drops? The most common mistake is buying on bottle volume alone. The largest package here, Opcon-A at 0.51 Fl Oz, publishes no hours-per-drop figure, while the smallest at 0.12 Fl Oz claims 16 hours from one application. Volume tells you how long the bottle lasts. Duration tells you how often you reapply. Start by answering one question before you open a single listing: is redness part of your complaint, or just itch? If it's both, Opcon-A is the only pick in this group designed for both, and its twin pack means you're never caught without it. If it's itch alone, you have five good options and the deciding factor becomes how many times a day you're prepared to reach for the bottle. Check the age statement on the carton if a child will use it, and read the contact lens instructions before your first drop. *Last updated: September 12, 2026\. Product availability re-checked.* *This page contains affiliate links. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.*