Compact mode

VisionGuard Pro vs Tokai UV420 vs Hoya Sync III

Table of content

Lens Specifications Comparison
General Information Comparison
Facts Comparison

Optical Properties Comparison
Usage Comparison
Manufacturing Comparison
Features Comparison
Performance Scores Comparison

Lens Specifications Comparison

Lens Type 👁

The category of lens based on its intended use and visual correction purpose

VisionGuard Pro

Photochromic

The lens type of VisionGuard Pro is Photochromic. Light-adaptive lenses that darken in sunlight for versatile vision protection Click to see all.

Tokai UV420

UV Protection

The lens type of Tokai UV420 is UV Protection. Lenses that shield eyes from harmful ultraviolet rays, enhancing eye health and comfort

Hoya Sync III

Digital Eye Strain Relief

The lens type of Hoya Sync III is Digital Eye Strain Relief. Lenses designed to alleviate discomfort caused by prolonged digital device use Click to see all.
Material 🧬

The primary substance used in manufacturing the lens

VisionGuard Pro

Trivex

The material of VisionGuard Pro is Trivex. Trivex lenses combine lightweight comfort with high impact resistance, suitable for rimless frames.

Tokai UV420

Trivex

The material of Tokai UV420 is Trivex. Trivex lenses combine lightweight comfort with high impact resistance, suitable for rimless frames.

Hoya Sync III

Plastic

The material of Hoya Sync III is Plastic. Plastic lenses are lightweight, durable, and cost-effective, making them a popular choice for eyewear.
Lens Coatings 🧱

Protective and enhancing treatments applied to eyeglass lenses, improving durability and visual clarity.

For all*

Anti-Reflective

Lenses with a coating that reduces glare and reflections, improving visual clarity and aesthetics.

UV Protection

UV protection coatings block harmful ultraviolet rays for eye health

VisionGuard Pro

Anti-Fog

VisionGuard Pro has Anti-Fog coatings. Lenses with a special coating to prevent fogging, ideal for various activities and environments. Click to see all.

Blue Light Filtering

VisionGuard Pro has Blue Light Filtering coatings. Lenses that reduce exposure to blue light from digital devices, potentially easing eye strain and sleep issues. Click to see all.

Tokai UV420

Scratch-Resistant

Tokai UV420 has Scratch-Resistant coatings. Scratch-resistant coatings protect lenses from everyday wear and tear Click to see all.

Blue Light Filter

Tokai UV420 has Blue Light Filter coatings. Lenses with a coating that reduces exposure to blue light from digital screens, potentially reducing eye strain. Click to see all.

Hoya Sync III

Blue Light Filter

Hoya Sync III has Blue Light Filter coatings. Lenses with a coating that reduces exposure to blue light from digital screens, potentially reducing eye strain. Click to see all.

Scratch-Resistant

Hoya Sync III has Scratch-Resistant coatings. Scratch-resistant coatings protect lenses from everyday wear and tear Click to see all.

General Information Comparison

Price 💰

Price of the eyeglass lenses in USD, indicating the cost for a pair of lenses.

VisionGuard Pro

149 $

The price of VisionGuard Pro is $149.

Tokai UV420

100 $

The price of Tokai UV420 is $100.

Hoya Sync III

150 $

The price of Hoya Sync III is $150.
Price Range 💱

Classification of eyeglass lenses based on price ranges, helping customers find options within their budget.

For all*

$100-$200
Known for 💡

A unique feature or characteristic that distinguishes the eyeglass lens from others.

VisionGuard Pro

Adaptability To Light Changes

VisionGuard Pro is known for Adaptability To Light Changes.

Tokai UV420

UV Defense

Tokai UV420 is known for UV Defense.

Hoya Sync III

Eye Relaxation

Hoya Sync III is known for Eye Relaxation.

Facts Comparison

Interesting Fact 🧐

An intriguing or lesser-known fact about the eyeglass lenses or their technology.

VisionGuard Pro

Changes tint 20% faster than previous models

Tokai UV420

Tokai UV420 lenses can block UV rays up to 420nm wavelength.

Hoya Sync III

Sync III lenses have a 'boost zone' to support eye focusing muscles.
Sarcastic Fact 😉

A humorous or sarcastic observation about the eyeglass lenses.

VisionGuard Pro

Changes color faster than your mood swings

Tokai UV420

These lenses are like sunscreen for your eyes - but you don't have to reapply every 2 hours!

Hoya Sync III

These lenses work so hard to relax your eyes they might need their own vacation.

Optical Properties Comparison

Index of Refraction 💡

The measure of how much light is bent when passing through the lens

VisionGuard Pro

1.53

The index of refraction for VisionGuard Pro is 1.53. Click to see all.

Tokai UV420

1.53

The index of refraction for Tokai UV420 is 1.53. Click to see all.

Hoya Sync III

1.6

The index of refraction for Hoya Sync III is 1.6. Click to see all.
Index of Refraction Type 📊

Classification of the lens based on its refractive index

VisionGuard Pro

Medium

The index of refraction type of VisionGuard Pro is Medium. Balanced lenses offering a good compromise between thickness and cost for moderate prescriptions. Click to see all.

Tokai UV420

Low-Index

The index of refraction type of Tokai UV420 is Low-Index. Basic lenses suitable for mild prescriptions, offering affordability and durability. Click to see all.

Hoya Sync III

Mid-Index

The index of refraction type of Hoya Sync III is Mid-Index. Balanced lenses offering improved thinness for moderate prescriptions at a reasonable cost. Click to see all.
Prescription Type 👓

Types of vision correction the eyeglass lenses are designed to address.

VisionGuard Pro

Astigmatism

VisionGuard Pro is designed for Astigmatism prescriptions. Specialized lenses that correct vision distortion caused by an irregularly shaped cornea or lens.

Presbyopia

VisionGuard Pro is designed for Presbyopia prescriptions. Lenses that address age-related near vision difficulties, providing clear focus at multiple distances.

Tokai UV420

Nearsightedness (Myopia)

Tokai UV420 is designed for Nearsightedness (Myopia) prescriptions. Lenses that correct close vision, allowing clear focus on distant objects and improving overall sight.

Farsightedness (Hyperopia)

Tokai UV420 is designed for Farsightedness (Hyperopia) prescriptions. Lenses that correct distant vision, allowing clear focus on far objects and improving near vision.

All Types

Tokai UV420 is designed for All Types prescriptions. Versatile lenses suitable for various vision needs, offering clarity across different prescription requirements.

Hoya Sync III

Nearsightedness (Myopia)

Hoya Sync III is designed for Nearsightedness (Myopia) prescriptions. Lenses that correct close vision, allowing clear focus on distant objects and improving overall sight.

Farsightedness (Hyperopia)

Hoya Sync III is designed for Farsightedness (Hyperopia) prescriptions. Lenses that correct distant vision, allowing clear focus on far objects and improving near vision.

Usage Comparison

Manufacturing Comparison

Made In 🌍

The country of origin or manufacture for the eyeglass lenses.

VisionGuard Pro

USA

VisionGuard Pro is made in USA. High-quality lenses manufactured in the United States, known for innovation and durability

Tokai UV420

Japan

Tokai UV420 is made in Japan. High-tech lenses from Japan, known for precision and advanced materials

Hoya Sync III

Japan

Hoya Sync III is made in Japan. High-tech lenses from Japan, known for precision and advanced materials

Features Comparison

Pros 👍

Advantages and positive features of the eyeglass lenses.

VisionGuard Pro

Adapts To Light Conditions

Lenses that automatically adjust their tint in response to varying light levels, providing optimal vision in all conditions.

Impact-Resistant

Lenses that can withstand impacts, reducing the risk of shattering and eye injuries.

Lightweight

Lenses that are exceptionally light, providing comfort for extended wear.

Adaptive Tint

Blue Light Protection

Lenses that filter out harmful blue light from digital screens, reducing eye strain and potential sleep disruption.

Tokai UV420

Blocks Harmful UV Rays

Lenses that effectively filter out harmful ultraviolet radiation, protecting eyes from sun damage.

Lightweight

Lenses that are exceptionally light, providing comfort for extended wear.

Blocks Up To 420Nm Of Blue Light

Specialized lenses that filter out blue light wavelengths up to 420nm, potentially reducing digital eye strain.

Reduces Eye Strain

Blocks Up To 420Nm Of UV Light

Impact-Resistant

Lenses that can withstand impacts, reducing the risk of shattering and eye injuries.

Hoya Sync III

Reduces Eye Fatigue

Lenses that minimize visual stress and tiredness during prolonged use.

Supports Natural Focus

Alleviates Eye Fatigue

Specialized lenses designed to reduce eye strain and fatigue, especially during prolonged screen use or detailed work.

Enhanced Near Vision

Improves close-up vision for tasks like reading, writing, and detailed work
Cons 👎

Disadvantages or limitations of the eyeglass lenses.

VisionGuard Pro

Slower Color-Changing In Cold Weather

Lenses that transition colors more slowly in low temperatures, potentially affecting outdoor use in cold climates. Click to see all.

Limited Tint Options

Slower Color-Changing Speed

Tokai UV420

Limited Style Options

Slight Tint

Slight Yellow Tint

Higher Price Point

Slightly Thicker Than High-Index Lenses

Lenses marginally thicker than high-index options, potentially affecting aesthetics in certain frames. Click to see all.

Hoya Sync III

Slight Adjustment Period

Mid-Range Price

Moderately priced lenses, balancing cost and features but potentially lacking high-end benefits. Click to see all.

Pricey

Expensive lenses that may offer superior quality, but at a higher cost than standard options. Click to see all.

Limited To Specific Tasks