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May 7, 2020 · A physiological blind spot exists in all healthy individuals due to the lack of photoreceptor cells in the area where the optic nerve emerges through to the retinal plane (optic nerve head / optic disc).
- Dr Lewis Potter
A blind spot, scotoma, is an obscuration of the visual field. A particular blind spot known as the physiological blind spot, "blind point", or punctum caecum in medical literature, is the place in the visual field that corresponds to the lack of light-detecting photoreceptor cells on the optic disc of the retina where the optic nerve passes ...
Nov 9, 2022 · A blind spot is a very small gap in the visual field of each eye—an area of your relatively nearby surroundings that you can't see. It may sound like a physical defect, but everyone has a small natural blind spot (physiological blind spot), and it's not usually noticeable.
Apr 11, 2018 · The blind spot is where the optic nerve and blood vessels leave the eyeball. The optic nerve is connected to the brain. It carries images to the brain, where they’re processed....
May 27, 2021 · Every human eye has something called a blind spot. This natural blind spot is the place in the retina — the light-sensitive inner lining at the back of your eye — that doesn’t have any cells that respond to light. The blind spot sits in the part of your retina where the optic nerve exits the eye.
Feb 1, 2011 · Blind spot testing. The original method of testing whether fixation was being maintained was to present the stimulus into the physiologic blind spot as a “catch trial.” If the patient responded, it could be blamed on inaccurate gaze position that caused the image of the stimulus to reach a seeing part of the retina.
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Mar 7, 2023 · First described by Edme Mariotte in the 1660s, the physiologic blind spot (PBS) – also known as the punctum caecum – is an area in the monocular visual field where the eye does not register physical vision because of a lack of photoreceptors (an absolute scotoma).
