Ophthalmic Equipment Flashcards
1
Q
Pupillometer
A
Measures the space between the visual axis of the two eyes (interpuppilary distance) for making a pair of glasses
2
Q
Lensometer
A
Measures the spherical and cylinder power of a lens for glasses
3
Q
Minus power sphere lens
A
Corrects myopia
4
Q
Plus power cylinder lens
A
Corrects hyperopia
5
Q
Cylindrical lens
A
Corrects astigmatism
*only glasses are made with minus cylinder lens (cylinder lens can be plus or minus
6
Q
Prism-
A
Correct strabismus
- if the optical lens is NOT aligned with the patients visual axis -the result will be an unintentional prism in the persons glasses -can’t see
7
Q
Radiuscope
A
Measures the base curve which is the radius of curvature of a contact lens
