WebMiosis of the eye refers to having small or constricted pupils. The condition is also called pupillary miosis. Pupils are the black circles in the middle of your eyes. With miosis, the … WebDec 3, 2024 · Uvea (layer of the eye that contains the iris) Lens (clear inner part of the eye that helps the eye focus) Retina (light-sensitive tissue lining the back of the eye) Macula (part of the retina needed for central vision) …
Subconjunctival hemorrhage (broken blood vessel in eye)
WebAug 8, 2024 · The iris lies in front of the lens and behind the cornea. It is made up of the following parts: 13. Iris pigment epithelium contains melanin granules and chromatophores that make up the eye color. Dilator and sphincter muscles that expand and contract to control the amount of light that gets in, Stroma is made up of connective tissue and blood ... WebDec 12, 2024 · Abusing heroin, fentanyl, or prescription painkillers can cause your pupils to constrict. Pinpoint pupils smaller than two millimeters also indicate an opioid overdose, which is life-threatening. Barbiturates, benzodiazepines, or other sedatives (when abused) 2. Prescription Drugs. clb9/plannings
Eye melanoma - Symptoms and causes - Mayo Clinic
WebOct 3, 2024 · A hole in the retina is a small opening that forms in the light-sensitive part of the eye. Such holes can develop anywhere in the retina but may occur in the center, an area called the macula. WebFigure 2 Images of different positions with overlays of the pupil shape and lens positions. Notes: The numbers on the pictures denote the position and the colored markings on the overlays signify as follows: green, lens borders; big red circle, lens optic; small red circle, pupil margin; yellow circle, lens optic in primary position; cross-hairs, mark the deviation … WebEyes are organs of the visual system.They provide living organisms with vision, the ability to receive and process visual detail, as well as enabling several photo response functions that are independent of vision.Eyes detect light and convert it into electro-chemical impulses in neurons (neurones). In higher organisms, the eye is a complex optical system which … cl.b9x.xyz index.php