Question

blind spot on retina​

Answer 1

Blind spot, small portion of the visual field of each eye that corresponds to the position of the optic disk (also known as the optic nerve head) within the retina. There are no photoreceptors (i.e., rods or cones) in the optic disk, and, therefore, there is no image detection in this area.

Answer 2

Spots in front of the eyes: Also known as "floaters", blurry spots that drift in front of the eyes but do not block vision. The blur is the result of debris from the vitreous casting a shadow on the retina. ... Floaters are usually benign (not serious). They can result from a separation of the vitreous gel from the retina.

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