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Is progressive retina atrophy a recessive or dominant genetic disorder?
Progressive Retina Atrophy is a dominant genetic disorder.
What is a disorder is a focusing problem that occurs when the lens and cornea do not bend light so that it focuses properly on the retina?
refractive disorder
What is it called when the person undergoes a progressive loss of vision and the dotor can observe brown or black star shape in the retina?
The condition described is likely a form of retinitis pigmentosa, a genetic disorder that causes progressive loss of vision due to the degeneration of the retina. The brown or black star-shaped formations observed in the retina are often referred to as bone spicule pigmentation, which is characteristic of this disease. It typically leads to night blindness and peripheral vision loss, eventually affecting central vision.
What is the medical term meaning disorder of the blood vessels in the retina that may develop as a complication of diabetes?
Diabetic retinopathy
What is the difference between achromatopsia and rod monochromacy?
Achromatopsia is a condition where individuals lack color vision due to a complete absence of cone cells in the retina, leading to only seeing in shades of gray. On the other hand, rod monochromacy is a rare genetic disorder where individuals only have functioning rod cells in the retina, resulting in very poor vision in bright light and complete color blindness.
How can lens correct these vision defects?
Lenses correct vision defects by altering the path of light entering the eye, ensuring that images are focused properly on the retina. For nearsightedness (myopia), concave lenses diverge light rays, moving the focal point back onto the retina. For farsightedness (hyperopia), convex lenses converge light rays, bringing the focal point forward onto the retina. Additionally, astigmatism is corrected with cylindrical lenses that compensate for uneven curvature of the cornea or lens.
Is myopia a refraction disorder?
Yes. It usually occurs as the result of an elongated eyeball. In this case, the focal point occurs in front of the retina.
What structure is located at the front edge of the retina and has a tooth like?
The structure located at the front edge of the retina that has a tooth-like appearance is called the ora serrata. It serves as the boundary between the photosensitive retina and the non-photosensitive ciliary body. The ora serrata is characterized by its serrated, or jagged, edge, which reflects the transition from the complex layers of the retina to the simpler structure of the ciliary body.
What is the mucsular dystrophy?
Macular Dystrophy or vitelliform dystrophy is a genetic eye disorder that can cause progressive vision loss. This disorder affects the retina, specifically cells in a small area near the center of the retina called the macula. The macula is responsible for sharp central vision, which is needed for detailed tasks such as reading, driving, and recognizing faces.DiagnosisVitelliform macular dystrophy causes a fatty yellow pigment (lipofuscin) to build up in cells underlying the macula. Over time, the abnormal accumulation of this substance can damage cells that are critical for clear central vision. As a result, people with this disorder often lose their central vision and may experience blurry or distorted vision. Vitelliform macular dystrophy does not affect side (peripheral) vision or the ability to see at night.
What is Bassen-Kornzweig syndrome?
Bassen-Kornzweig syndrome is a rare genetic disorder that is characterized by an inability to properly absorb dietary fats, resulting in neurological abnormalities, degeneration of the retina of the eye, a typical red blood cell abnormality.
Why you call hemorrhage in superficial retina Flame-shaped hemorrhages?
Retinal hemorrhage is a disorder of the eye in which bleeding occurs into the light sensitive tissue on the back wall of the eye. by mybreezylife.com
Which are the defects of eye?
myopia,hyperopia,astigmatism,being cross-eyed, stye, sore eyes, granular eyelid, trachoma, glaucoma, and cataract.
