Compact mode

SunSmart Transitions vs Transitions Signature GEN 8 vs Tokai UV420

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

SunSmart Transitions

Photochromic

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

Transitions Signature GEN 8

Photochromic

The lens type of Transitions Signature GEN 8 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
Material 🧬

The primary substance used in manufacturing the lens

SunSmart Transitions

Polycarbonate

The material of SunSmart Transitions is Polycarbonate. Polycarbonate lenses are impact-resistant and lightweight, ideal for sports and children's eyewear.

Transitions Signature GEN 8

Trivex

The material of Transitions Signature GEN 8 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.
Lens Coatings 🧱

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

For all*

UV Protection

UV protection coatings block harmful ultraviolet rays for eye health

SunSmart Transitions

Anti-Reflective

SunSmart Transitions has Anti-Reflective coatings. Lenses with a coating that reduces glare and reflections, improving visual clarity and aesthetics. Click to see all.

Photochromic

SunSmart Transitions has Photochromic coatings. Photochromic lenses darken in sunlight and clear indoors for versatile vision protection Click to see all.

Polarized

SunSmart Transitions has Polarized coatings. Polarized lenses eliminate glare from reflective surfaces for improved visual comfort Click to see all.

Transitions Signature GEN 8

Anti-Fog

Transitions Signature GEN 8 has Anti-Fog coatings. Lenses with a special coating to prevent fogging, ideal for various activities and environments. Click to see all.

Tokai UV420

Anti-Reflective

Tokai UV420 has Anti-Reflective coatings. Lenses with a coating that reduces glare and reflections, improving visual clarity and aesthetics. Click to see all.

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.

General Information Comparison

Price 💰

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

SunSmart Transitions

189 $

The price of SunSmart Transitions is $189.

Transitions Signature GEN 8

150 $

The price of Transitions Signature GEN 8 is $150.

Tokai UV420

100 $

The price of Tokai UV420 is $100.
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.

SunSmart Transitions

Adaptive Tint Technology

SunSmart Transitions is known for Adaptive Tint Technology.

Transitions Signature GEN 8

Adaptability

Transitions Signature GEN 8 is known for Adaptability.

Tokai UV420

UV Defense

Tokai UV420 is known for UV Defense.

Facts Comparison

Interesting Fact 🧐

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

SunSmart Transitions

Changes tint in 7 seconds when exposed to UV light

Transitions Signature GEN 8

Transitions lenses can block up to 100% of UV rays.

Tokai UV420

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

A humorous or sarcastic observation about the eyeglass lenses.

SunSmart Transitions

Changes faster than your ex's feelings

Transitions Signature GEN 8

These lenses are like mood rings for your eyes - always changing their mind.

Tokai UV420

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

Optical Properties Comparison

Index of Refraction 💡

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

SunSmart Transitions

1.59

The index of refraction for SunSmart Transitions is 1.59. Click to see all.

Transitions Signature GEN 8

1.53

The index of refraction for Transitions Signature GEN 8 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.
Index of Refraction Type 📊

Classification of the lens based on its refractive index

SunSmart Transitions

Medium

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

Transitions Signature GEN 8

Low-Index

The index of refraction type of Transitions Signature GEN 8 is Low-Index. Basic lenses suitable for mild prescriptions, offering affordability and durability. 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.
Prescription Type 👓

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

For all*

Nearsightedness (Myopia)

Lenses that correct close vision, allowing clear focus on distant objects and improving overall sight.

Farsightedness (Hyperopia)

Lenses that correct distant vision, allowing clear focus on far objects and improving near vision.

Tokai UV420

All Types

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

Usage Comparison

Manufacturing Comparison

Made In 🌍

The country of origin or manufacture for the eyeglass lenses.

SunSmart Transitions

USA

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

Transitions Signature GEN 8

United States

Transitions Signature GEN 8 is made in United States. Premium lenses produced in the United States, known for quality and technological innovation

Tokai UV420

Japan

Tokai UV420 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.

SunSmart Transitions

Adapts To Sunlight

Lenses that darken automatically in sunlight, providing comfort and UV protection outdoors.

Impact-Resistant

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

Versatile

Adapts To Light Conditions

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

Reduces Glare

100% UV Protection

Lenses that completely block harmful ultraviolet rays, protecting eyes from sun damage.

Transitions Signature GEN 8

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 designed to withstand impacts and protect eyes from potential injuries.

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.
Cons 👎

Disadvantages or limitations of the eyeglass lenses.

SunSmart Transitions

Slower Transition In Cars

Moderate Price

Expensive

Slower Transition In Cold Weather

Transitions Signature GEN 8

Slower Transition Indoors

Lenses that take longer to adjust when moving from outdoors to indoors, potentially affecting initial indoor vision. Click to see all.

Slight Tint When Clear

Lenses with faint coloration even in their clearest state, potentially affecting aesthetics or color perception. Click to see all.

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.