Table 1.

Options available in treatment of central retinal artery occlusion

	Group of drugs	Mechanism of action
1.	Vasodilators	Increase the blood oxygen content
	Pentoxyphylline
	Inhalation of carbogen
	Hyperbaric oxygen
	Sublingual isosorbide dinitrite
2.	Ocular massage	Reduce intraocular pressure and hence increase the retinal artery perfusion or help dislodge the embolus
	Anterior chamber paracentesis
	Intravenous acetazolamide
	Intravenous mannitol
	Topical antiglaucoma medications
3.	Intravenous methylprednisolone	Reduction of retinal oedema
4.	Nd YAG Laser embolectomy	Lyse or dislodge the clot
5.	Intra arterial or intravenous thrombolysis	Help in thrombolysis of the embolus