8.1 Lensometry

Question 1

First column on spectacle RX

Answer 1

Sphere column. How much myopia or hyperopia a patient has

Question 2

Second column on spectacle rx

Answer 2

Cylinder column. How much astigmatism a pt has( the difference in their steep k and flat k)

Question 3

Third column on spectacle rx

Answer 3

Axis column. Where the steep meridian of the astigmatism lines up (clockhour between 0 to 180)

Question 4

Skinny mires on Lensometry

Answer 4

Spherical

Question 5

Chunky mires on Lensometry

Answer 5

Cylinder