by Dev1 | Sep 8, 2023 | Bookmarking Post, PERCEPTUAL VISION
Bookmark Please login to bookmarkClosePlease loginFlashes for a duration of 50-100 ms (which is above our threshold) are perceived asbeing brighter than shorter or longer flash durations. This is associated withproviding our photoreceptors with optimal visual...
by Dev1 | Sep 6, 2023 | Bookmarking Post, PERCEPTUAL VISION
Bookmark Please login to bookmarkClosePlease loginWhen the vitreous syneresis pulls on the peripheral retina it will cause the perception of vertical flashes of light, or...
by Dev1 | Sep 6, 2023 | Bookmarking Post, PERCEPTUAL VISION
Bookmark Please login to bookmarkClosePlease loginSeen when a patient is in a dark room. The blue arcs appear to streak from a light source towards the blind...
by Dev1 | Sep 6, 2023 | Bookmarking Post, PERCEPTUAL VISION
Bookmark Please login to bookmarkClosePlease loginThe pigmented macula will absorb blue wavelengths. Therefore, if a patient is looking at a purple light source (which is comprised of red and blue wavelengths), they will see a red spot in the middle of the light...
by Dev1 | Sep 6, 2023 | Bookmarking Post, PERCEPTUAL VISION
Bookmark Please login to bookmarkClosePlease loginThe flashes of light a patient perceives when they rub their...
by Dev1 | Sep 6, 2023 | Bookmarking Post, PERCEPTUAL VISION
Bookmark Please login to bookmarkClosePlease loginPerpendicular light rays will appear brighter than those which are not. This is because photoreceptors best collect light from rays which strike them perpendicularly. Photoreceptors will actually orient themselves in...
