摘要
1.Introduction Ophthalmology focuses on relating structural changes to function and disease.From biomicroscopy,ophthalmoscopy and fundus photography,to electroretinography and visual evoked potentials the clinical purpose is to objectively assess visual function.However,these techniques are macroscopic and only grossly related to visual acuity.With the development of optical coherence tomography(OCT)in vivo histological resolution of the retina has become routine.
