Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
3 Cards in this Set
- Front
- Back
|
Base curve |
Curvature on posterior backside of the lens. Measured in millimeters |
|
|
Rigid contact lenses |
"Hard lenses" at one time were made of a material that didn't allow oxygen to flow through to the cornea. That caused swelling(edema). |
|
|
Gas permeable contact lenses (GP) |
Last longer than soft contacts, aren't so comfortable |
