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Optrex Eye Dew Dazzling Eye Drops 10ml

Optrex Eye Dew Dazzling Eye Drops 10ml

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  • ✔️ Temporarily reduces eye redness by constricting conjunctival blood vessels
  • ✔️ Contains witch hazel for an immediate soothing, cooling sensation
  • ✔️ Visible results typically within minutes of application
  • ✔️ Suitable for adults and young people aged 12 and over
  • ✔️ Compact 10ml bottle — easy to carry for on-the-go use

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What Are Optrex Eye Dew Drops and How Do They Help?

 

Eyes can look tired, red, and dull for all sorts of reasons — a late night, long hours at a screen, or simply a busy day. Optrex Eye Dew drops are an over-the-counter eye drop formulation designed to soothe irritated eyes and help restore a clearer, brighter appearance quickly. Each 10ml bottle contains a combination of naphazoline hydrochloride and witch hazel (hamamelis water), two ingredients with a long history of use in eye care. If you're looking for a fast-acting, easy-to-use option for occasional eye redness, this could be worth considering. You can explore the full range of eye care products at Cured Pharmacy to find the right solution for your needs.

Optrex is one of the UK's most recognised eye care brands, and Eye Dew has been available for many years as a trusted option for cosmetic and symptomatic relief of red, tired-looking eyes. At just £5.39 for a 10ml bottle, it's an accessible choice for adults who want to address occasional eye redness without a prescription.

 

How Do Optrex Eye Dew Drops Work in the Eye?

 

The mechanism behind these drops is fairly straightforward. Naphazoline hydrochloride is a sympathomimetic alpha-adrenergic agonist — in plain terms, it causes the tiny blood vessels on the surface of the eye (the conjunctival vessels) to constrict. When those vessels narrow, the redness visibly reduces. Witch hazel contributes a gentle soothing and cooling sensation, which can make tired eyes feel more comfortable almost immediately.

  • Naphazoline hydrochloride constricts superficial conjunctival blood vessels
  • Reduced vessel diameter means less visible redness
  • Witch hazel (hamamelis water) provides a mild astringent and soothing effect
  • Onset of action is typically within a few minutes of application

It's worth noting that these drops address the appearance of redness rather than the underlying cause. If your eyes are persistently red, sore, or uncomfortable, it's always sensible to speak to a pharmacist or GP rather than relying on these drops long-term.

 

Who Should Use Optrex Eye Dew Drops?

 

These drops are intended for adults who experience occasional eye redness or tiredness — the kind that comes from everyday life rather than a medical condition. They're not a treatment for eye infections, glaucoma, or chronic dry eye disease. Think of them as a short-term cosmetic and comfort aid.

  • Adults with occasional red or tired-looking eyes
  • People experiencing eye fatigue from screen use or lack of sleep
  • Those wanting a quick cosmetic improvement in eye appearance
  • Individuals without a history of glaucoma or serious eye conditions

They are not suitable for children under 12, and anyone with narrow-angle glaucoma should avoid naphazoline-containing products entirely. Always read the label before use.

 

How Do Optrex Eye Dew Drops Compare to Other Eye Drops?

 

Feature Optrex Eye Dew Dazzling Drops Lubricating Dry Eye Drops (e.g. hypromellose)
Primary use Reduces redness, soothes tired eyes Lubricates and relieves dry eye symptoms
Active ingredient Naphazoline hydrochloride + witch hazel Hypromellose or sodium hyaluronate
Duration of use Max 3 consecutive days Can be used long-term as directed
Contact lens use Remove lenses before use Some formulations are lens-compatible

 

Are Optrex Eye Dew Drops Suitable for Everyday Use?

 

This is a question worth thinking about carefully. Optrex Eye Dew drops are not designed for daily, long-term use. Naphazoline hydrochloride can cause a phenomenon known as rebound redness — where the eyes become redder once the drops wear off, potentially creating a cycle of dependency. For this reason, the product should not be used for more than three consecutive days. If you find yourself reaching for them every day, it's a sign that something else may be going on with your eyes, and a conversation with your GP or optometrist is the right next step.

If you're also managing other health concerns alongside eye care, it may be helpful to browse allergy and hay fever treatments, as allergic conjunctivitis is a common cause of red, itchy eyes that requires a different approach to treatment.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Optrex Eye Dew Dazzling Eye Drops 10ml specifications
Treatment category Eye care — redness relief and eye comfort
Mechanism of action Sympathomimetic vasoconstriction of conjunctival vessels; mild astringent action
Effective for Occasional eye redness, tired-looking eyes
Suitable for Adults and children aged 12 and over
Active ingredient Naphazoline hydrochloride; witch hazel (hamamelis water)
Pack size 10ml
UK classification General Sale List (GSL)
Drug class Sympathomimetic (alpha-adrenergic agonist)
Preparation Aqueous eye drop solution
Route of administration Ophthalmic (topical, into the eye)

Specifications of Optrex Eye Dew Dazzling Eye Drops 10ml

 

What Is Optrex Eye Dew and What Is It Used For?

 

Optrex Eye Dew Dazzling Eye Drops are an over-the-counter ophthalmic solution used to relieve the appearance of red, tired, or dull-looking eyes. The drops work by temporarily constricting the small blood vessels on the surface of the eye, reducing visible redness and giving eyes a clearer, more refreshed look. They are intended for occasional, short-term use in adults and young people aged 12 and over. They are not a treatment for eye infections, dry eye disease, or any diagnosed eye condition.

 

What Do You Need to Know Before Using Optrex Eye Dew?

 

Before using these drops, it's important to check whether they are appropriate for you. There are certain situations where you should not use them at all, and others where caution is needed.

Do not use Optrex Eye Dew if you:

  • Are allergic to naphazoline hydrochloride, witch hazel, or any other ingredient in the formulation
  • Have narrow-angle glaucoma or are at risk of angle-closure glaucoma
  • Are under 12 years of age
  • Have a known hypersensitivity to sympathomimetic agents
  • Are currently wearing contact lenses (remove before use)

Use with caution if you:

  • Have high blood pressure (hypertension) or cardiovascular disease
  • Have an overactive thyroid (hyperthyroidism)
  • Have diabetes mellitus
  • Are pregnant or breastfeeding — consult your GP or pharmacist first

Drug interactions to be aware of:

  • Monoamine oxidase inhibitors (MAOIs) — concurrent use with naphazoline may cause a hypertensive crisis; avoid
  • Tricyclic antidepressants — potential for enhanced sympathomimetic effects
  • Other sympathomimetic medicines — additive effects possible

If you are taking any prescription medicines, always check with your pharmacist before using these drops. The NHS advises that you should always tell your healthcare provider about all medicines you are taking, including over-the-counter products.

 

How Should You Use Optrex Eye Dew Correctly?

 

Using eye drops correctly makes a real difference to both comfort and effectiveness. Follow these steps carefully each time you use the product.

  1. Wash your hands thoroughly with soap and water before handling the bottle
  2. If you wear contact lenses, remove them before applying the drops
  3. Tilt your head back slightly and look upward
  4. Gently pull down your lower eyelid to create a small pocket
  5. Hold the dropper tip close to your eye without touching it, and instil 1–2 drops into the lower eyelid pocket
  6. Blink gently to spread the drops across the eye surface
  7. If using in both eyes, repeat the process for the other eye
  8. Replace the cap immediately after use
  9. Wait at least 15 minutes before reinserting contact lenses
Indication Age Group Dose Frequency
Occasional eye redness / tired eyes Adults and children 12+ 1–2 drops per eye Up to 3 times daily, max 3 consecutive days
Not applicable Under 12 years Do not use

 

What Are the Possible Side Effects of Optrex Eye Dew?

 

Like all medicines, Optrex Eye Dew can cause side effects, although not everyone experiences them. Most are mild and short-lived.

Common side effects:

  • Temporary stinging or burning sensation immediately after application
  • Brief blurred vision after instillation
  • Mild watering of the eyes

Less common side effects:

  • Rebound redness — eyes may appear redder once the effect of the drops wears off, particularly with prolonged use
  • Pupil dilation (mydriasis) in some individuals
  • Headache or dizziness if absorbed systemically in larger amounts
  • Increased eye pressure — particularly relevant in those with undiagnosed glaucoma

If you notice worsening redness, eye pain, changes in vision, or any unusual symptoms after using these drops, stop use immediately and seek advice from a pharmacist or GP. The NHS recommends seeking urgent medical attention for any sudden change in vision or severe eye pain.

If you're managing eye symptoms alongside seasonal allergies, it may also be worth exploring ear, nose, and throat treatments for related symptoms such as nasal congestion or sneezing.

 

How Should You Store Optrex Eye Dew Drops?

 

Correct storage helps maintain the safety and effectiveness of the product. Follow these guidelines:

  • Store below 25°C in a cool, dry place
  • Do not refrigerate
  • Keep out of direct sunlight
  • Keep the bottle tightly closed when not in use
  • Discard the bottle 28 days after first opening, even if solution remains
  • Keep out of the reach and sight of children
  • Do not use after the expiry date printed on the bottle or carton

Multi-dose eye drop bottles can become contaminated with bacteria after opening. The 28-day discard rule exists to protect your eye health — it's not just a guideline to ignore. If you're unsure whether your drops are still safe to use, speak to your pharmacist.

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Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy Optrex Eye Dew Dazzling Eye Drops online in the UK?

You can buy Optrex Eye Dew Dazzling Eye Drops 10ml directly from Cured Pharmacy online for £5.39 — no prescription needed. It's a General Sale List (GSL) medicine, so it's available without a consultation. Simply add it to your basket and it will be dispatched to your door.

How do Optrex Eye Dew drops work in the eye?

The drops contain naphazoline hydrochloride, which constricts the small blood vessels on the surface of the eye, reducing visible redness within minutes. Witch hazel adds a soothing, cooling sensation that helps tired eyes feel more comfortable. Together, these two ingredients address both the look and feel of red, fatigued eyes.

How do I use Optrex Eye Dew Dazzling Eye Drops step by step?

Wash your hands first, then tilt your head back and gently pull down your lower eyelid. Instil 1–2 drops into the pocket formed, blink gently, and replace the cap immediately. Avoid touching the dropper tip to your eye or any surface to prevent contamination.

How often can I use Optrex Eye Dew drops each day?

You can use the drops up to three times daily as needed for occasional redness or eye tiredness. However, you should not use them for more than three consecutive days without speaking to a pharmacist or GP. Exceeding this can lead to rebound redness, where eyes become redder once the drops wear off.

Can I use Optrex Eye Dew drops with contact lenses in?

No — you must remove your contact lenses before applying these drops. Wait at least 15 minutes after using the drops before reinserting your lenses. Using the drops with lenses in place is not recommended and could cause discomfort or damage to the lens material.

What are the side effects of Optrex Eye Dew drops?

The most common side effects are temporary stinging, burning, or brief blurred vision immediately after application — these usually pass within a minute or two. Less commonly, prolonged use can cause rebound redness or a slight increase in eye pressure. If you experience eye pain, significant vision changes, or worsening redness, stop use and seek medical advice.

Are Optrex Eye Dew drops safe to use during pregnancy?

There is limited clinical data on the safety of naphazoline hydrochloride during pregnancy or breastfeeding, so caution is advised. You should speak to your GP or pharmacist before using these drops if you are pregnant, trying to conceive, or breastfeeding. They can help you weigh up the risks and suggest a safer alternative if needed.

Who is not eligible to use Optrex Eye Dew drops?

These drops are not suitable for children under 12, people with narrow-angle glaucoma, or those with a known allergy to any of the ingredients. People taking MAOIs (a type of antidepressant) should also avoid them due to the risk of a serious interaction with naphazoline. If you have cardiovascular disease, hypertension, or diabetes, speak to your pharmacist before use.

What happens if I use Optrex Eye Dew drops for too long?

Using naphazoline-containing drops for more than three consecutive days can cause rebound redness — a cycle where your eyes become increasingly red as the drops wear off, prompting you to use them again. This can make the underlying problem worse over time. If you find you need drops daily, it's worth visiting your GP or optometrist to identify the root cause.

What are the alternatives to Optrex Eye Dew drops?

If your redness is caused by dry eyes, lubricating drops containing hypromellose or sodium hyaluronate may be more appropriate for regular use. For allergy-related redness and itching, antihistamine eye drops such as those containing ketotifen or sodium cromoglicate are a better option. Browse the full eye care range at Cured Pharmacy to compare your options.

How long does one bottle of Optrex Eye Dew drops last?

The 10ml bottle must be discarded 28 days after first opening, regardless of how much solution remains. This is a safety requirement for multi-dose eye drops to prevent bacterial contamination. If you use the drops up to three times daily in both eyes, a single bottle should comfortably last the full 28-day period.

Can Optrex Eye Dew drops be used for eye infections?

No — these drops are not an antibiotic or antiviral treatment and will not treat an eye infection such as bacterial or viral conjunctivitis. Using them on an infected eye could mask symptoms and delay appropriate treatment. If you suspect an eye infection, speak to your pharmacist or GP for the correct diagnosis and treatment.

Do Optrex Eye Dew drops interact with any medicines?

The most significant interaction is with monoamine oxidase inhibitors (MAOIs), where concurrent use with naphazoline can potentially cause a dangerous rise in blood pressure. Tricyclic antidepressants and other sympathomimetic medicines may also interact. Always tell your pharmacist about all medicines you are taking before using these drops.

What is the best time to use Optrex Eye Dew drops?

These drops are best used when you notice redness or eye fatigue — for example, after a long day at a screen, before an important event, or when your eyes feel tired and look dull. There is no fixed time of day, but avoid using them immediately before bed as the brief blurred vision on application could be inconvenient. Use only as needed, not as a routine daily drop.

Is there any recent research on naphazoline eye drops?

Naphazoline has been used in ophthalmic preparations for decades and is well-characterised in the clinical literature. Current guidance consistently highlights the risk of rebound redness with prolonged use and recommends limiting use to short courses. For chronic or recurrent eye redness, clinicians increasingly favour preservative-free lubricants or targeted antihistamine drops over vasoconstrictors. If you're also dealing with related symptoms, you might find it useful to look at allergy and hay fever treatments for a broader management approach.

How Should You Use Optrex Eye Dew Dazzling Eye Drops?

Using eye drops correctly is important for both safety and effectiveness. Before you begin, wash your hands thoroughly with soap and water. If you wear contact lenses, remove them before applying the drops and wait at least 15 minutes before putting them back in.

If you accidentally touch the dropper tip to your eye or any surface, the solution may become contaminated. In that case, stop using the bottle and obtain a replacement.

What Is the Correct Dose of Optrex Eye Dew Dazzling Eye Drops?

The dose is straightforward, but it's important not to exceed it. Using more drops than recommended will not improve the effect and may increase the risk of side effects such as rebound redness or systemic absorption of naphazoline.

Do not use more than 1–2 drops per eye per application. If symptoms persist beyond three days, stop use and consult a pharmacist or GP.

When Is the Best Time to Use Optrex Eye Dew Dazzling Eye Drops?

These drops are best used when you notice redness or eye fatigue — for example, after prolonged screen use, before a social event, or when your eyes feel tired and look dull. There is no fixed time of day, but it's worth avoiding application immediately before sleeping, as the brief blurred vision that can follow instillation may be inconvenient. Use them only when needed rather than as a routine daily drop.

If you find yourself wanting to use them every day, that's a signal to speak to your pharmacist or optometrist about what might be causing persistent redness.

How Long Can You Use Optrex Eye Dew Dazzling Eye Drops For?

These drops are intended for short-term, occasional use only. Do not use them for more than three consecutive days. Prolonged use of naphazoline-containing drops can lead to rebound redness — a cycle where the eyes become redder as the drops wear off, making the problem worse over time. Once you open the bottle, it must be discarded after 28 days regardless of how much solution remains, to prevent bacterial contamination.

If your eye redness or discomfort continues beyond three days, or if it is accompanied by pain, discharge, or changes in vision, seek advice from a pharmacist, GP, or optometrist promptly.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

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What Are the Most Common Side Effects of Optrex Eye Dew Dazzling Eye Drops?

Most people who use these drops tolerate them well, particularly when used as directed for short periods. That said, some side effects can occur, and it's helpful to know what to expect.

  • Temporary stinging or burning sensation immediately after instillation
  • Brief blurred vision for a minute or two after application
  • Mild watering or tearing of the eyes
  • A slight cooling or tingling sensation from the witch hazel component

These effects are generally mild and resolve quickly on their own. If stinging or burning is severe or lasts more than a few minutes, stop using the drops and seek advice.

What Are the Less Common Side Effects of Optrex Eye Dew Dazzling Eye Drops?

Less commonly, some people experience side effects that are more concerning, particularly if the drops are used more frequently or for longer than recommended.

  • Rebound redness — eyes become redder once the vasoconstricting effect wears off, which can create a cycle of dependency
  • Pupil dilation (mydriasis) — naphazoline can occasionally cause the pupil to enlarge, which may affect vision in bright light
  • Increased intraocular pressure — particularly relevant in people with undiagnosed or poorly controlled glaucoma
  • Headache or dizziness — may occur if naphazoline is absorbed systemically, especially with frequent use
  • Dry eye sensation — paradoxically, some people find their eyes feel drier after the drops wear off

Rebound redness is the most clinically significant concern with regular use. If you notice your eyes becoming redder between doses, stop using the drops and speak to your pharmacist.

What Are the Serious Side Effects of Optrex Eye Dew Dazzling Eye Drops?

Serious side effects are rare but possible, particularly in people with underlying health conditions or those taking interacting medicines. Naphazoline is a sympathomimetic agent, meaning it can have effects beyond the eye if absorbed into the bloodstream.

  • Significant rise in blood pressure — particularly in people with hypertension or those taking MAOIs
  • Acute angle-closure glaucoma — naphazoline can trigger this in susceptible individuals; symptoms include sudden severe eye pain, nausea, and blurred vision
  • Severe allergic reaction (hypersensitivity) — symptoms may include swelling around the eye, rash, or difficulty breathing

If you experience sudden eye pain, significant vision changes, or any signs of an allergic reaction, stop using the drops immediately and seek urgent medical attention.

What Should You Do If You Experience Side Effects?

For mild side effects such as temporary stinging or blurred vision, no action is usually needed beyond waiting for the sensation to pass. If you experience rebound redness, simply stop using the drops — the redness should settle within a few days without treatment. For any side effect that is severe, persistent, or unexpected, contact your pharmacist or GP. You can also report side effects directly to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can Optrex Eye Dew Drops Interact With Other Medicines?

Yes — there are some important interactions to be aware of. The most significant is with monoamine oxidase inhibitors (MAOIs), a class of antidepressant, where concurrent use with naphazoline can cause a dangerous increase in blood pressure. Tricyclic antidepressants and other sympathomimetic medicines may also enhance the effects of naphazoline. If you are taking any prescription medicines, always check with your pharmacist before using these drops to ensure they are safe for you.

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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