1. 1Check the angle first if narrow; dilate with tropicamide 1% ± phenylephrine 2.5%.
2. 2Red reflex (Brückner test in children).
3. 3Optic disc: CDR, rim (ISNT rule), colour, margins, hemorrhages, SVP.
4. 4Vessels: calibre, AV ratio, crossings, emboli, sheathing.
5. 5Macula: foveal reflex, drusen, hemorrhage, exudate, edema.
6. 6Periphery: 90 D/20 D lens or indirect with scleral depression for breaks.

Glaucomatous disc signs: vertical cup elongation, notching, rim thinning (violating ISNT), disc hemorrhage, bayoneting, asymmetry of CDR > 0.2.