Bilateral blurred vision

A 54- y/o male presented with bilateral blurred vision. Examination showed corrected visual acuity of 20/70 OD and 20/20 OS. Pupils, intraocular pressure, and anterior segment examinations were normal. Fundus examination demonstrated bilateral serous macular edema, normal optic nerves, vessels, and periphery. He has h/o colorectal melanoma. What will you suggest?

Fundus photo of the left eye demonstrating subretinal fluid blunting the foveal reflex. Indocyanine green angiography demonstrated blunting of the signal centrally under the site of serous fluid accumulation.  Looks like drug induced retinopathy
Macular oedema adv OCT for macular thickness May need inj avestin
Feature suggestive of Maculsr Oedema