WebDec 15, 2024 · The retina is a thin layer of tissue that lines the very back of the inside of the eyeball. The retina contains millions of cells that perceive light, color, and fine details in the things you see. A number of diseases can affect the retina, including cancer. If any part of the retina becomes damaged, your vision may be compromised. 1.
Why Are My Eyes Changing Color? - American Academy of Ophthalmology
WebChanges (lightening or darkening) of eye color during early childhood, puberty, pregnancy, and sometimes after serious trauma (like heterochromia) suggest that eyes sometimes change color under … WebWhat makes up an eye. Iris: regulates the amount of light that enters your eye. It forms the coloured, visible part of your eye in front of the lens. Light enters through a central opening called the pupil. Pupil: the circular … 鯨 ふたつのスピカ
How to Modify Variables the Right Way in R R-bloggers
WebMay 20, 2024 · Answer From Francisco Lopez-Jimenez, M.D. Arcus senilis is a gray or white arc visible above and below the outer part of the cornea — the clear, domelike covering over the front of the eye. Eventually, the arc may become a complete ring around the colored portion (iris) of your eye. Arcus senilis is common in older adults. WebAbout Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... WebDec 4, 2024 · More specifically, it is called arcus senilis in people in their 60s and up and arcus juvenilis in younger people. Corneal arcus may appear as an arc above or beneath … 鯨 フォント