WebSep 17, 2024 · The primary symptoms of astigmatism include: blurry, distorted, or fuzzy vision at all distances (up close and far away) difficulty seeing at night. eyestrain. squinting. eye irritation. headaches ... WebHomonymous hemianopsia is a condition in which a person sees only one side ― right or left ― of the visual world of each eye. The person may not be aware that the vision loss is happening in both eyes, not just one. …
The visual impact of pituitary tumours
WebDec 23, 2024 · You can also have color blindness as a result of disease or injury to your retina. With glaucoma, the internal pressure of the eye, or the intraocular pressure, is too high. The pressure damages ... WebA cataract is a clouding of your eye’s lens. This cloudy lens can develop in one or both eyes. Cataracts are the world’s leading cause of blindness. In the U.S., cataracts is the leading … nasa/technical memorandum issn
Eye and Vision Health: Eye Anatomy, 11 Eye Conditions, and More
WebApr 15, 2024 · See if you can identify the nature of the artifact and its cause before reading the explanation. Case 1. At first glance, the visual field defects look like dense arcuate scotomas. However, the central points in each quadrant are much lighter than the surrounding points. This is a classic “cloverleaf” pattern (see circled area)—a type of ... Webvision defect: 1 n impairment of the sense of sight Synonyms: visual defect , visual disorder , visual impairment Types: show 34 types... hide 34 types... amaurosis partial or … WebSometimes a pituitary tumor affects the optic nerve on just one side. In other cases, it affects a structure known as the “optic chiasm,” where the optic nerves from each eye merge together. When a pituitary tumor pushes the optic chiasm, it causes visual loss in both eyes. In addition to the optic nerve, which brings vision from the eye to ... nasa teams backgrounds