Webnoun plural irises or irides (ˈaɪrɪˌdiːz, ˈɪrɪ-) the coloured muscular diaphragm that surrounds and controls the size of the pupil Also called: fleur-de-lys any plant of the iridaceous genus Iris, having brightly coloured flowers composed of three petals and three drooping sepalsSee also flag 3, orris 1, stinking iris WebSep 13, 2024 · A detached retina is when the retina lifts away from the back of the eye. The retina does not work when it is detached, making vision blurry. A detached retina is a serious problem. An ophthalmologist needs to check it out right away, or you could lose …
How to pronounce RETINA in English - Cambridge …
WebAug 22, 2024 · When learning how to spell a word, it’s important to remember the golden rule: read and write constantly. With that in mind, get ready to learn how to become a master speller! WebApr 10, 2024 · This examination — sometimes called ophthalmoscopy or funduscopy — allows your doctor to evaluate the back of your eye, including the retina, the optic disk and the retinal blood vessels that nourish the retina. describe the motivations for risk management
Retinal Imaging: Purpose, Procedure, Risks, Resutls - WebMD
WebMar 20, 2024 · The retina is the light-sensitive tissue located in the back of the eye. It is like the film in a camera, recording the images we see and sending them via the optic nerve from the eye to the brain. The retina almost instantly converts light images into electrical impulses through a chemical reaction. WebThe retina is the thin tissue that lines the inside back layer of the eye and transforms light from the images we see into nerve impulses, then sends them via the optic nerve to the brain, where vision occurs. WebOct 21, 2024 · In this article we'll talk about the photoreceptors, the structures responsible for vision. The retina is a membrane containing sensory receptors that lines the internal aspect of the posterior wall of the eyeball, deep to the choroid layer and superficial to the vitreous humor. It is composed of epithelial, glial, and neural cells, which are organised … describe the motion of liquid particles