Purpose
For analysis of the retina (especially macula) and optic nerve.
Also for assessment of corneal thickness, Angle of the Anterior Chamber in Glaucoma, Localization of corneal pathologies, etc.
Advantages
Cross sectional study of retina and optic nerve to near histological level possible.
Non-contact. Employs light for analysis. No X-Ray or damaging rays.
Can be done in undilated pupil, hence dilatation not necessary.
Specialised tests like Micro-Perimetry possible.
Reproducible.
Easily archived and retrieved.