Optics and Refractive Errors Flashcards
1
Q
When does axial lengthening occur?
A
Most occurs in the first 3-6 months of life
2
Q
How is the axial ‘length’ of the eye measured?
A
From the corneal surface to the retinal pigment epithelium(RPE) / bruch membrane.
3
Q
What is the normal axial length in adults?
What is the normal lens to retina length in adults?
A
Axial - 24mm
17 mm
4
Q
Define Myopia:
A
This is when the focus of light occurs before reaching the retina. (short sightedness)
