Automated Refractomy Flashcards
Define Antimetropia
One eye is Myopic and the other is Hyperopia
How is Myopia corrected
Concave lens - Minus power
Hyperopia is corrected with
Convex lens - plus power lens
What is Absolute Hyperopia?
The amount of hyperopia that cant be overcome by accommodation
What is Facultative Hyperopia?
The amount of hyperopia that can be overcome with accommodation
Manifest Hyperopia definition?
The amount of hyperopia that can be measured without the use of cyclopegic drops (that would paralyze accommodation)
*manifest hyperopia is the Sum of absolute and facultative hyperopia
Define Latent Hyperopia
The extra amount of hyperopia that is measured With the use of cyclopegic drops
*the total hyperopia is the Sum of manifest and latent hyperopia
How do you calculate manifest hyperopia
The sum of absolute and facultative hyperopia
How do you calculate latent hyperopia
The sum of manifest and latent hypropia