Knowledge Base
- Anatomy of cornea, anterior chamber and lens
- Aging
- Upper lid droops inwards (Entropion) or outward (Ectropion)
- Periorbital fat loss and tissue atrophy
- Rigidity of iris, decreased pupil size predisposing to glaucoma
- Lens accumulates yellow substance and yellow filtering
- Loss of lens elasticity and ciliary muscle atrophy