The past rectification operation aiming at myopia refraction patients has developed the rectification treatment aiming at hyperopia and astigmia patients.
Conclusion: Homocystinuria is a rare autosomal-recessive disorder with multiple systemic complications.Progressive myopia and ectopia lentis are common presenting signs in such patients.
A physiotherapeutic apparatus for preventing and treating near sighted eye has a convex lens used as objective lens, lens cone, eyepiece, headgear and lens set.
Conclusion The hypopsia after cataract surgery in the senile patients aged over 60 were mainly caused by keratopaphy, optic nerve atrophy and macularpathy of high myopia.