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arcus adiposus, arcus juvenilis, arcus lipoides corneae, arcus cornealis Arcus senilis deposits tend to start at 6 and 12 o'clock and progress until becoming completely circumferential. The thin clear section separating the arcus from the limbus is known as the clear interval of Vogt.
These individuals may present with a unique set of physical characteristics such as xanthelasmas (yellow deposits of fat underneath the skin often presenting in the nasal portion of the eye), tendon and tuberous xanthomas, arcus juvenilis (the graying of the eye often characterized in older individuals), arterial bruits, claudication, and of ...
Cataract, flecked retinopathy, posterior polymorphous dystrophy and corneal arcus juvenilis may be encountered in association with lenticonus anterior that occurs as a part of the Alport syndrome. [2] There exist two distinct types of lenticonus based on the face of the lens affected.
Posterior keratoconus, a rare condition, usually congenital, which causes a nonprogressive thinning of the inner surface of the cornea, while the curvature of the anterior surface remains normal. Usually only a single eye is affected. Post-LASIK ectasia, a complication of LASIK eye surgery. [5]
arcus senilis: bow of an old person: An opaque circle around the cornea of the eye, often seen in elderly people. When it is found in patients less than 50 years old it is termed arcus juvenilis arduus ad solem: Striving towards the Sun: Motto of Victoria University of Manchester: argentum album: white silver
When the test is performed in an eye with an afferent pupillary defect, light directed in the affected eye will cause only mild constriction of both pupils (due to decreased response to light from the afferent defect), while light in the unaffected eye will cause a normal constriction of both pupils (due to an intact efferent path, and an ...
Dominant optic atrophy (DOA), or autosomal dominant optic atrophy (ADOA), (Kjer's type) is an autosomally inherited disease that affects the optic nerves, causing reduced visual acuity and blindness beginning in childhood.
The underlying cause of JDM is unknown. It most likely has a genetic component, as other autoimmune disease tend to run in the families of patients. The disease is usually triggered by a condition that causes immune system activity that does not stop as it should, but the trigger is almost certainly not the cause in most cases.