: Provides about 20 diopters . Unlike the cornea, it is flexible and changes shape to focus on near objects, a process known as accommodation .
When the eye's length or refractive power is mismatched, images become blurry: Troubles de la réfraction : - Clinique Honoré Cave Download rГ©fraction l'oeil pdf
The eye functions as a convergent optical system with a total power of approximately . : Provides about 20 diopters
: Provides about 70% of the eye's refractive power (approx. 43 diopters). It has a fixed curvature. Download rГ©fraction l'oeil pdf