• Thumbnail for Retinal
    Retinal (also known as retinaldehyde) is a polyene chromophore. Retinal, bound to proteins called opsins, is the chemical basis of visual phototransduction...
    33 KB (3,318 words) - 20:15, 11 September 2024
  • Thumbnail for Retina
    Retina (redirect from Retinal diseases)
    the retinal vasculature only 25%. When light strikes 11-cis-retinal (in the disks in the rods and cones), 11-cis-retinal changes to all-trans-retinal which...
    84 KB (9,314 words) - 12:31, 23 September 2024
  • Thumbnail for Retinal detachment
    Retinal detachment is a disorder of the eye in which the retina peels away from its underlying layer of support tissue. Initial detachment may be localized...
    18 KB (2,305 words) - 09:46, 28 September 2024
  • Thumbnail for Retinal migraine
    Retinal migraine is a retinal disease often accompanied by migraine headache and typically affects only one eye. It is caused by ischaemia or vascular...
    7 KB (691 words) - 14:55, 30 August 2024
  • Thumbnail for Retinitis pigmentosa
    pigmentosa (RP) is a member of a group of genetic disorders called Inherited Retinal Dystrophy (IRD) that cause loss of vision. Symptoms include trouble seeing...
    63 KB (6,334 words) - 02:32, 19 October 2024
  • In visual perception, retinal correspondence is the inherent relationship between paired retinal visual cells in the two eyes. Images from one object stimulate...
    2 KB (169 words) - 22:02, 14 April 2024
  • A retinal scan is a biometric technique that uses unique patterns on a person's retina blood vessels. It is not to be confused with other ocular-based...
    9 KB (1,132 words) - 05:30, 17 October 2024
  • Retinal hemorrhage (UK English: retinal haemorrhage) is a disorder of the eye in which bleeding occurs in the retina, the light sensitive tissue, located...
    10 KB (1,042 words) - 21:24, 6 September 2024
  • Thumbnail for Lattice degeneration
    medical intervention is neither needed nor recommended. Sometimes other retinal problems (such as tears, breaks, or holes) may be present along with lattice...
    5 KB (481 words) - 14:45, 19 July 2024
  • genetic defects. Retinal dysplasia is characterized by folds or rosettes (round clumps) of the retinal tissue. Most cases of retinal dysplasia in dogs...
    3 KB (351 words) - 03:41, 18 August 2024
  • Thumbnail for Branch retinal vein occlusion
    retinal vein occlusion is a common retinal vascular disease of the elderly. It is caused by the occlusion of one of the branches of central retinal vein...
    11 KB (1,296 words) - 04:46, 28 July 2024
  • Thumbnail for Central retinal vein occlusion
    Central retinal vein occlusion, also CRVO, is when the central retinal vein becomes occluded, usually through thrombosis. The central retinal vein is...
    4 KB (389 words) - 21:24, 6 September 2024
  • Retinal degeneration may refer to: Retinopathy, one of several eye diseases or eye disorders in humans Retinal degeneration (rhodopsin mutation) Progressive...
    326 bytes (69 words) - 04:53, 24 January 2022
  • Thumbnail for Macular degeneration
    definitions) is termed nascent GA and/or iRORA (incomplete retinal pigment epithelium and outer retinal atrophy). These 'high-risk' subgroups of intermediate...
    92 KB (9,922 words) - 03:48, 19 October 2024
  • Thumbnail for Retinal pigment epithelium
    layer of retina or retinal pigment epithelium (RPE) is the pigmented cell layer just outside the neurosensory retina that nourishes retinal visual cells, and...
    9 KB (1,181 words) - 23:04, 9 May 2024
  • Thumbnail for Virtual retinal display
    A virtual retinal display (VRD), also known as a retinal scan display (RSD) or retinal projector (RP), is a display technology that draws a raster display...
    7 KB (819 words) - 05:19, 31 July 2024
  • Thumbnail for Photoreceptor cell
    cells in mammalian eyes: rods, cones, and intrinsically photosensitive retinal ganglion cells. The two classic photoreceptor cells are rods and cones...
    26 KB (2,939 words) - 03:11, 2 September 2024
  • Thumbnail for Retinal ganglion cell
    A retinal ganglion cell (RGC) is a type of neuron located near the inner surface (the ganglion cell layer) of the retina of the eye. It receives visual...
    30 KB (3,628 words) - 03:10, 8 October 2024
  • Retinal isomerase (EC 5.2.1.3) is an enzyme that catalyzes the isomerisation of all-trans-retinal in the eye into 11-cis-retinal which is the form that...
    2 KB (151 words) - 15:41, 26 August 2023
  • Thumbnail for Macular edema
    Macular edema (redirect from Retinal edema)
    cause. Blockage of a vein in the retina can cause engorgement of the other retinal veins causing them to leak fluid under or into the retina. The blockage...
    16 KB (1,554 words) - 03:45, 22 August 2024
  • Thumbnail for Maculopathy
    progressive sight loss. It is characterised by changes in pigmentation in the Retinal Pigment Epithelium, the appearance of drusen on the retina of the eye and...
    2 KB (190 words) - 22:57, 12 January 2024
  • Thumbnail for Retinal implant
    A retinal implant is a visual prosthesis for restoration of sight to patients blinded by retinal degeneration. The system is meant to partially restore...
    28 KB (3,215 words) - 10:31, 12 December 2023
  • Thumbnail for Retinal vasculitis
    Retinal vasculitis is inflammation of the vascular branches of the retinal artery, caused either by primary ocular disease processes, or as a specific...
    5 KB (456 words) - 23:05, 2 February 2023
  • Thumbnail for Retinoblastoma
    within a particular retinal cell. In the sporadic, nonheritable form of retinoblastoma, both mutational events occur within a single retinal cell after fertilization...
    43 KB (4,815 words) - 03:11, 19 October 2024
  • Thumbnail for Retinal regeneration
    Retinal regeneration refers to the restoration of vision in vertebrates that have suffered retinal lesions or retinal degeneration. The two most well-studied...
    11 KB (1,201 words) - 13:29, 3 December 2023
  • Thumbnail for Central retinal artery
    The central retinal artery (retinal artery) branches off the ophthalmic artery, running inferior to the optic nerve within its dural sheath to the eyeball...
    5 KB (592 words) - 20:07, 20 July 2024
  • Thumbnail for Retinal dehydrogenase
    enzymology, a retinal dehydrogenase, also known as retinaldehyde dehydrogenase (RALDH), catalyzes the chemical reaction converting retinal to retinoic acid...
    18 KB (2,129 words) - 05:10, 3 September 2023
  • Thumbnail for Retina bipolar cell
    S2CID 205429773. Retinal+bipolar+cells at the U.S. National Library of Medicine Medical Subject Headings (MeSH) Diagram at mcgill.ca NIF Search - Retinal Bipolar...
    6 KB (742 words) - 06:44, 18 July 2023
  • photosensitive retinal ganglion cells (ipRGCs), also called photosensitive retinal ganglion cells (pRGC), or melanopsin-containing retinal ganglion cells...
    26 KB (3,118 words) - 05:44, 25 July 2024
  • Progressive retinal atrophy (PRA) is a group of genetic diseases seen in certain breeds of dogs and, more rarely, cats. Similar to retinitis pigmentosa...
    12 KB (1,586 words) - 03:34, 26 August 2024