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3 Cards in this Set
- Front
- Back
What are the advantages of RGP lenses? |
1) Durability. 2) Increased oxygen (as smaller). 3) Can correct corneal astigmatism. 4) Less risk of allergic reaction (don't absorb chemicals). 5) Fewer deposits. |
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What is the meaning of EDGE LIFT and MULTICURVE? |
Edge lift = peripheral curve is flatter than other curves. This aids the removal and tear exchange. Multicurve = Back surface has more than 2 curves (usually 3 or 4). |
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What materials can RGP lenses be made of? |
1) Glass 2) PMMA (scleral lenses) 3) Silicone acrylate 4) Fluro silicone acrylate. |
