What are the opening hours?

Monday 9:30am - 5:30pm Tuesday 9:30am - 5:30pm Wednesday 9:30am - 5:30pm Thursday 9:30am - 5:30pm Friday 9:30am - 5:30pm Saturday 9:30am - 5:30pm

The Optical Suite, Diarmuid O'Sullivan Optometrist

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The Optical Suite, Diarmuid O'Sullivan Optometrist

The Optical Suite is a Killarney based Opticians, giving quality eye care with the most up to date optical equipment.

The Optical Suite formally Stack O'Brien Opticians have been in Killarney since 1994. Locally owned by Optometrist Diarmuid O’Sullivan, we provide quality eye care with the most up to date optical equipment. Our team are always on hand for all your optical needs. Our mission statement is "We are a dedicated team of professionals offering an optical service to all age groups, constantly striving to improve our performance."

13/03/2026

Crisp lines, bold colour, and Italian elegance — these Furla frames make a statement before you even say a word 💎
📍Available in-store now — perfect for anyone who loves modern style with a hint of luxury.

11/03/2026

If you have high myopia, your eye is physically longer than average. Imagine stretching a balloon: the more it expands, the thinner and more fragile the material becomes. This stretching puts immense strain on the delicate structures inside your eye.

This increased “axial length” significantly raises the risk for:

Retinal Detachment: The retina is stretched thin, making it prone to tears or peeling away.

Early Cataracts: High myopes often develop cataracts decades earlier than others.

Myopic Macular Degeneration: Thinning of the central vision area, which can lead to permanent vision loss.

Glaucoma: The structural changes make the optic nerve more vulnerable to pressure.

Knowing your risks is the first step in protecting your sight. Regular eye exams are non-negotiable!

09/03/2026

✨ Timeless elegance meets modern design.

Discover the refined craftsmanship of these golden Dolce & Gabbana frames — where luxury and vision come together in perfect clarity. 💫👓

06/03/2026

Fresh frames, fresh focus 👓

These new Carrera tortoiseshell-and-blue acetates bring bold contrast and stylish precision. Perfect clarity, statement design — ready to turn heads in or out of the practice.

04/03/2026

For many, a migraine isn’t just a throbbing pain

It is a full-body neurological event that often begins with a startling visual “light show” known as an aura.

Approximately one-third of migraine sufferers experience these visual disturbances, which typically occur about twenty minutes to an hour before the headache begins.
These auras can manifest as shimmering zig-zag lines, flickering blind spots, or “scotomas” that gradually expand across your field of view.

While a visual aura is usually harmless and temporary, it is the brain’s way of signaling a wave of electrical activity moving across the visual cortex.

However, it is vital to distinguish a typical migraine aura from more serious issues; if you experience a “curtain” falling over your vision or a sudden loss of sight without a headache, it could indicate a retinal issue or a “painless” ocular migraine that requires an immediate professional evaluation.

02/03/2026

Statement frames, but make it fashion.

Soft square Furla acetate in a rose tortoiseshell.
Bold yet feminine, perfect if you want your everyday specs to look just as sharp as your vision.

27/02/2026

Bold, beautiful, and unmistakably Dolce & Gabbana.

These statement frames mix modern Italian flair with gradient blue tones that catch every eye in the room. 💎👓
✨ Available in-store now — elevate your look with timeless luxury.

25/02/2026

If you think cataracts only happen to the “very elderly” or that you have to wait for total blindness to treat them, this post is for you.

The Truth:
1️⃣ Age is just a number: While common in seniors, factors like UV exposure, smoking, and diabetes can cause them earlier.
2️⃣ Laser technology is a game-changer: We can now correct astigmatism and near-vision during the same procedure.
3️⃣ Eye drops won’t cure them: Despite what some internet ads say, there is no “magic drop” to dissolve a cataract. Surgery is the only cure.

Is your vision feeling a bit hazy lately? Let’s talk about it.

20/02/2026

Bold, playful and unapologetically colourful. ✨

Meet our new Cocoa Mint Studio frame: a cat‑eye with a twist, blending rich berry tones into soft aqua for a gradient that looks like a sunset in your lenses.

Perfect if you want your glasses to be the outfit, not just an accessory.

30/01/2026

Swing by our practice to try these Gant beauties—prescription ready and waiting to enhance your vision in style. Limited stock, so don’t miss out!

28/01/2026

Glaucoma is a group of eye diseases in which the optic nerve - which connects your eye to your brain - is damaged by the pressure of the fluid inside your eye.

This may be because the pressure is higher than normal, or because the nerve is more susceptible to damage from pressure.

Glaucoma may affect one or both of your eyes and there are two main types of glaucoma - chronic and acute.

Chronic glaucoma happens slowly, acute glaucoma happens quickly and chronic glaucoma is much more common than acute glaucoma.

If you have any concerns at all about your eyes or your vision, contact us.

26/01/2026

Dive into bold blue vibes with this stunning Cocoa Mint Studio frame from our latest collection. The oversized square shape and vibrant translucent blue acetate make it a standout for effortless style and femininity

Pop into the practice to try it on!

Address

58 High Street
Killarney
V93XY72

Opening Hours

Monday	9:30am - 5:30pm
Tuesday	9:30am - 5:30pm
Wednesday	9:30am - 5:30pm
Thursday	9:30am - 5:30pm
Friday	9:30am - 5:30pm
Saturday	9:30am - 5:30pm

Telephone

+353646636477

Website

https://eyeclarityappointments.com/optical-suite/book/SBR

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Our Story

Since 1994 we have been offering a highly personalised eye care service. Our aim is simple, we want to provide our patients with the best possible vision through excellent clinical care and the best products available At Stack O'Brien Opticians we invest in the latest eye examination and dispensing technology. We are located in the centre of Killarney, on New Street, directly across form the Post Office. We also hold a regular clinic at Reen’s Pharmacy, Millstreet , Co. Cork.