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The most important factor for selecting a lens material is thickness and weight. The lens' thickness & weight are affected by your Rx strength, frame type, frame size, & pupil location. Using the chart below, you can find the recommended materials for each consideration. Then, you can select the material that's best for you. Please note: Not all lens materials are available for a given product selection. |
| CONSIDERATIONS | RECOMMENDED LENS MATERIAL |
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Follow steps 1-4 below, then select your material! |
Plastic |
Polycarbonate |
Trivex |
High Index 1.67 |
High Index 1.74 |
|
1. Find the best material for your Rx |
Combined Power){kind=small} is -> |
less than +/- 2.00D |
less than +/- 4.00D |
less than +/- 3.00D |
greater than +/- 4.00D |
greater than +/- 6.00D |
| 2. Find the best material for your Frame Type | Rimless/Semi-Rimless -> |
NO |
YES |
BEST |
YES |
YES |
| High Wrap -> |
NO |
BEST |
YES |
NO |
NO |
|
| 3. Additional Protection | Impact Resistance -> |
NO |
YES |
YES |
NO |
NO |
| 100% UV -> |
NO |
YES |
YES |
YES |
YES |
|
| 4. Other Considerations | Frame Size -> |
The larger the frame, the THICKER the lens. | ||||
| Pupil Centration -> |
The more centered the pupil is in the lens, both vertically and horizontally, the THINNER the lens. | |||||
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