Painful eyes with normal exam

DDX

1. Ocular Ischemia: 2/2 carotid dz, carotid bruits, retinal hemorrhages, give ASA
2. Optic Neuritis: APD, reduced color vision
3. Temporal Arteritis:check esr/crp
4. Sinusitis
5. Neuralgia: shingles
6. Migraine
7. DM: CN 3/4/6 palsy

^CN 3 palsy: dilated pupil, ptosis (droopy eyelid) w/ HA, must consider cerebral aneurysm

Source

Adapted from Pani