Refraction
1:18:22
Intro to Subjective Refraction
15:46
Using Subjective Refraction to Calculate Glasses Prescription and Fit a Contact Lens
3:32
Science! Did you know you have 2 noses?
4:52
Manifest Refraction and Binocular Balance Protocol
4:41
Setting up the Phoropter
13:56
Refracción Subjetiva con Foróptero
9:53
How to Perform a Manifest Refraction (V1.1)
14:47