The past rectification operation aiming at myopia refraction patients has developed the rectification treatment aiming at hyperopia and astigmia patients.
Apochromatic lens: Compound lens corrected for chromatic aberration, i.e. the three primary colours , red, green and blue are corrected. Also called Apochromat.
There was physiological diplopia on strabismus days and binocular stereopis on orthophoria days in all 24 cases.After surgery, the eye's position was corrected in 23 cases.They had normal stereopsis.