Search results
Results From The WOW.Com Content Network
The Amsler grid showing the visual perception of the left eye of a person experiencing metamorphopsia (straight lines appear bent or curved) [1] [2]. Metamorphopsia (from Ancient Greek: μεταμορφοψία, metamorphopsia, 'seeing mutated shapes') is a type of distorted vision in which a grid of straight lines appears wavy or partially blank.
Down syndrome or Down's syndrome, [12] also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. [3] It is usually associated with developmental delays, mild to moderate intellectual disability , and characteristic physical features.
Macular degeneration: Macular degeneration cause loss of central vision, blurred vision (especially while reading), metamorphopsia (seeing straight lines as wavy), and colors appearing faded. [11] Macular degeneration is the third main cause of blindness worldwide, and is the main cause of blindness in industrialised countries.
Ataxia telangiectasia (Louis–Bar syndrome) Encephalotrigeminal angiomatosis (Sturge–Weber syndrome) (encephalofacial cavernous hemangiomatosis) Neurofibromatosis (von Recklinghausen's disease) Tuberous sclerosis (Bourneville's syndrome) Wyburn–Mason syndrome (racemose hemangiomatosis)
Brushfield spots are a characteristic feature of the chromosomal disorder Down syndrome or trisomy 21. They occur in 35–78% of newborn infants with Down syndrome. [ 2 ] Brushfield spots tend to be obscured by pigmentation of the anterior border layer of the iris in patients with darker irides.
March 21 (3/21) is World Down Syndrome Day, chosen because people with Down Syndrome have three copies of the 21st chromosome instead of the usual two. "Gabe lives his life to the fullest," Nick ...
They follow a V shape over the back, S-shaped whirls over the chest and sides, and wavy shapes on the head. [5] [6] Not all mosaic skin conditions follow Blaschko's lines. [7] The lines are believed to trace the migration of embryonic cells. [8] [9] They do not correspond to nervous, muscular, or lymphatic systems. The lines are not unique to ...
Corneal dystrophy may not significantly affect vision in the early stages. However, it does require proper evaluation and treatment for restoration of optimal vision. Corneal dystrophies usually manifest themselves during the first or second decade but sometimes later. It appears as grayish white lines, circles, or clouding of the cornea ...