Toxoplasmosis ophthalmopathy is mainly characterzied by congenital malformation from optic pit and optic vesicle s lesion at earlier embryo period,and retinochoroiditis from inflammation.
This paper presents an all-digital close-loop operation based on DSP circuits, which uses the two-frequency serrodyne modulation to modulate and demodulate the optic route.
Whitish bands composed of medullated nerve fibres radiating out from the optic disc are of no pathological significance and must not be confused with papilloedema.
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.