When you get your eyes dilated can doctor see lesions? when eyes are dilated can you see behind optic nerve?

Yes and No: Yes a dilated eye examination facilitates examining the retina, it's blood vessels, optic nerve, & the vitreous humor. Any abnormalities or lesions will be identified as well. Sometimes mor sophisticated imaging techniques may also be utilized (ultrasound, optical coherence tomography, flourescein angiography). However a dilated exam will not allow viewing behind the eyeball where the optic n exit