Photochromic

Advantages of Our Photochromic Lens:

1. our product could be available to change color for more than two years,

2. change fastly and darkly and return quickly,and change deeply.

Photochromic Lens-W5&W6

Photochromic Single Vision Finished Lens

Technical Data

1. Index:1.56

2. ABBE:38

3. Specific Gravity:1.26

4. Available Color:Grey,Brown

5. Transmittance:91%

6. Power Range:+6.00/-2.00~-8.00/-2.00

Photochromic Single Vision Semi-Finished Lens

Avaliable Color:Grey&Brown

Diameter : 70mm

Base : 50,100,200,300,400,500,600,800,1000

1.56 Phorochromic Bifocal Lens

1. Index:1.56

2. Abbel Value:29

3. Density:1.12

4. Anti-shocking:140cm

5. Diameter:28/70mm

7. Available Color:Grey,Brown

8. Power Range:-2.00~+3.00/ADD:+1.00~+3.00

Photochromic Bifocal Semi-Finished Lens

Avaliable Color:Grey&Brown

Diameter : 28/70mm

Flat Top:Base400,500,600

Round Top:Base 500

Blended/Invisible:Base400,500

Addition Power : +1.00~+3.00(0.25 a step)

1.56Photochromic Progressive Lens

Technical data

1. Index:1.56

2. Abbel Value:29

3. Density:1.12

4. Anti-shocking:3500px

5. Diameter:75mm

9. Available Color:Grey,Brown

10. Power Range:-2.00~+3.00/ADD:+1.00~+3.00

Photochromic Progressive Semi-Finished Lens

Avaliable Color:Grey&Brown

Corridor : Regular/Long&Short

Diameter : 75mm

Regular/Long Corridor(18mm) : Base200,400,500,700

Short Corridor(14mm): Base200,400,600,800

Super Short Corridor(12mm) : Base100,300,500,700

Addition Power : +1.00~+3.00(0.25 a step)

Performance parameters for W5 photochromic grey lens

Relationship between light transmittance (T) and illumination time/sec.

"The light transmittance (T) of W5 photochromic grey lens as a function of illumination time.

The temperature is 22℃(22D) and 32℃(32D), respectively. This experiment was operated in Shanghai that located at 33°N."

Relationship between light transmittance (T) and illumination time /sec.(no illumination)

"The light transmittance (T) of W5 photochromic grey lens as a function of time without illumination.

The temperature is 22℃(22D) and 32℃(32D), respectively. This experiment was operated in Shanghai that located at 33°N

Density: 1.30g/c㎡

Abbe Value:32

"

Performance parameters for 1.56 photochromic grey lens (W6)

Relationship between light transmittance (T) and illumination time/sec.

The light transmittance (T) of 1.56 photochromic grey lens (W-6) as a function of illumination time.

The temperature is 22℃(22D) and 32℃(32D), respectively. This experiment was operated in Shanghai that located at 33°N.

Relationship between light transmittance (T) and illumination time /sec.(no illumination)

The light transmittance (T) of 1.56 photochromic grey lens (W-6) as a function of time without illumination.

The temperature is 22℃(22D) and 32℃(32D), respectively. This experiment was operated in Shanghai that located at 33°N