🌹 Happy Valentine’s Day | 2 For 1 FREE + 15% Off Lenses | Code: 2FOR1

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Terms & Conditions >
📦 Return
60-Day Return & Exchange
  • Any unsatisfactory glasses can be exchanged or refunded within 60 days of receipt.
  • Please visit Help Centre to find more return & exchange policies.
💯Warranty
365-Day Warranty
  • The 365-Day Warranty covers any possible defect in materials and workmanship.
  • Please visit Help Centre to find more info on quality control and warranty policies.
🛫 IE Shipping
Standard & Express Shipping
  • Select €7 standard shipping for delivery within 13-22 days, or choose €15 express shipping for delivery within 8-14 days.
  • Please visit Help Centre for more info on shipping.

Only Firmoo. Not found in stores. 1/3 the price.

Choose smaller lens-width frames and round or rectangular plastic styles for a cleaner look.


Pair with high-index lenses to thin the lenses and avoid bulging. Even over ±8.00 they remain lightweight.

Eyeglasses for High Prescription

How Thin Can Your -4.00 Lenses Be?

For your extra needs

All index lenses canbe customised with

*For single vision glasses, we offer glasses with SPH from -18 to +10, and CYL -4.50 to +4.50.

Not sure which index? Just email your prescription to service@firmoo.ie or chat with us online

We’ll help you choose the right lenses.

Boost your confidence with a lightweight, sleek look and all-day comfort.

📦 60-Day Return&Exchange
60-Day Return & Exchange
  • Any unsatisfactory glasses can be exchanged or refunded within 60 days of receipt.
  • Please visit Help Centre to find more return & exchange policies.
💯 365-Day Warranty
365-Day Warranty
  • The 365-Day Warranty covers any possible defect in materials and workmanship.
  • Please visit Help Centre to find more info on quality control and warranty policies.
🛫 IE Shipping
Standard & Express Shipping
  • Select €7 standard shipping for delivery within 13-22 days, or choose €15 express shipping for delivery within 8-14 days.
  • Please visit Help Centre for more info on shipping.

Only Firmoo. Not found in stores. 1/3 the price.

Choose smaller lens-width frames and round or rectangular plastic styles for a cleaner look.

Pair with high-index lenses to thin the lenses and avoid bulging. Even over ±8.00 they remain lightweight.

Eyeglasses for High Prescription

For your extra needs

All index lenses can

be customised with

How Thin Can Your -4.00 Lenses Be?

*For single vision glasses, we offer glasses with SPH from -18 to +10, and CYL -4.50 to +4.50.

Not sure which index? Just email your prescription to service@firmoo.ie or chat with us online

We’ll help you choose the right lenses.

Boost your confidence with a lightweight, sleek look and all-day comfort.

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Grace001

€25

2 Reviews

OBM2007A

€24

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KXN1038

€19

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TR62998

€7

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38% OFF

AC49995

€15€24

2 Reviews

AC49000

€24

2 Reviews

60% OFF

AC55846

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€23

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€22

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1 Reviews

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€23

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AC98876

€26

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€27

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1 Reviews

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€23

0 Reviews

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€21

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€21

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€23

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3 Reviews

X939

€24

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Judy274

€25

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Joy011

€28

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Andrew069

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Firm241112

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Andrew097

€24

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€21

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AC44821

€24

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AC71936

€24

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FM2598

€22

0 Reviews

DISPLAYING 1 TO 60 (OF 143 )

About

Shop High Prescription Glasses Online

Choose from a wide range of flattering styles—round, rectangle, cat-eye, and more. With lightweight builds and strong structure, these frames are ideal for everyday wear, even with higher lens prescriptions, as prescription ranges above -6.00 D. Upgrade your eyewear experience with frames that truly fit your needs.

Frequently Asked Questions

1. Is it worth investing in thinner lenses and specialised frames? Do I need them for my prescription?

If your prescription is relatively strong (usually over -6.00D or +4.00 D), high-index thin lenses significantly reduce thickness and weight. When paired with our specially selected lightweight frames, you’ll enjoy better comfort and a more attractive appearance. Even if your prescription is lower, upgrading to a thinner, stylish look can provide a more comfortable and natural wearing experience.

2. What’s the difference between 1.67 and 1.74 lenses? Which should I choose?

1.74 lenses have a higher refractive index and are thinner and lighter, ideal for very strong prescriptions (above -6.00D). 1.67 lenses suit moderate to high prescriptions and offer a more affordable price. Your choice should consider your exact prescription and budget, combined with frames selected for the best visual and wearing comfort.

3. Are thin lenses more expensive? Will they change how my eyes look?

Thin lenses cost more due to advanced manufacturing, but through online direct sales and streamlined supply, we offer great value. High-index lenses with matching frames reduce edge thickness and visual distortion, helping your eyes look natural without unwanted “shrinking” or “enlarging” effects.

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