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Get ready for next-level clarity with Meiryo™ EX4™. We understand that when you buy a new pair of glasses, you expect nothing less than crystal-clear vision. But what most don't realize is how easily everyday scratches and smudges ruin that initial sharpness. That's why we've created Meiryo™ EX4™: our most advanced premium spectacle lens coating yet.1

No matter what life throws at you, Meiryo™ EX4™ gives your spectacle lenses protection that will outlast your prescription.

True clarity that lasts. Leaving you nothing but carefree, glare-free* vision no matter what life throws at you.

* Meiryo™ EX4™ boasts enhanced anti-reflectance properties, meaning less glare and greater clarity. This also means your eyes will appear perfectly clear to others and in selfies.

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Meiryo™ EX4™

With its wide array of features designed to improve the durability of your lenses, your glasses will be equipped to last beyond their prescription.


With surface lens protection that extends the lifetime of your spectacle lens, we’re confident that Meiryo™ EX4™ will be your coating of your choice.

56% lower reflectance compared to competitor’s best coating.2

Up to 2.5x better scratch resistance compared to other coatings on the market.3

Maintains 'easy clean' features up to 5x longer than other available lens coatings.2

Variety of benefits

Your lenses give you the freedom to see clearly – but wearing spectacles isn’t always convenient. With Meiryo™ EX4™, you’ll be able to live with the clarity you deserve. 


This lens coating reduces reflections for exceptional clarity of vision and an elegant look.2

Dirt repellent

Due to its easy to clean properties, grease or dirt are easily wiped off the lens. Even after long term use and repeated cleaning.


Preventing dust from adhering to the lens surface, providing clear vision in all circumstances. 

Extremely scratch resistant

The surface lens protection extends the lifetime of the lenses.4

Water repellent

Ensures water droplets have minimal grip on the lens surface. Allowing optimal vision in rain or condensation.

100% UV protection

Provides 100% UV protection on the front with extra protection on the back.6 For optimal protection from ultraviolet rays while enjoying the sun.

Enhanced contrast

Enhanced contrast and glare reduction during the day and at night. 


  1. (1)

    HOYA data on file. Product assessment report – Meiryo™ EX4™. 03/2023. Meiryo™ EX4™ demonstrated over 45% higher LongLife Index vs. major competitor’s best coating.

  2. (2)

    HOYA data on file. Product assessment report – Meiryo™ EX4™. 03/2023. Meiryo™ EX4™ demonstrates exceptional visual clarity compared to all competitive coatings tested. 56% lower reflectance than major competitor’s best coating resulting in exceptional clarity. Meiryo™ EX4™ maintains hydrophobic performance (WCA higher than 100°) up to 5x that of closest competitors resulting in longer lasting clarity.

  3. (3)

    HOYA data on file. Product assessment report – Meiryo™ EX4™. 03/2023. No competitive lenses tested reached the same performance values as HOYA in both the HB and SWSC combined.

  4. (4)

    HOYA data on file. Product assessment report – Meiryo™ EX4™. 03/2023. Compared to several competitor coatings including major competitor’s best coatings. Passed 2.5kg SWSC test when most competitive lenses tested did not pass 1kg in the SWSC.

  5. (5)

    HOYA data on file. Product assessment report – Meiryo™ EX4™. 03/2023. Meiryo™ EX4™ maintains Hydrophobic performance more than 10X that of major competitor

  6. (6)

    HOYA data on file. 1.50 UV approved claims. 09/22. Claim based on internal assessment according to ISO 8980-3:2022 and is applicable to HOYA branded plastic lenses except 1.50 standard lenses. The following HOYA lenses meet the strictest AS/NZS 1067.1:2016 standard for 100% protection: 1.50 UV, 1.53, 1.59 CBF, 1.60, 1.67, and 1.74.