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Results: 1 to 20 of 72

1.

Amaurosis

MedGen UID:
87672
Concept ID:
C0376288
Disease or Syndrome
2.

Congenital blindness

MedGen UID:
409767
Concept ID:
C1969147
Finding
3.

Neonatal hemochromatosis

Neonatal hemochromatosis (NH) is characterized by hepatic failure in the newborn period and heavy iron staining in the liver. In addition, there is marked siderosis of extrahepatic tissues, including the heart and pancreas (Driscoll et al., 1988). Whitington (2007) postulated that some cases of neonatal hemochromatosis result from maternal alloimmunity directed at the fetal liver, and therefore do not represent an inherited mendelian disorder. Other causes may result from metabolic disease or perinatal infection. In particular, he commented that the disorder is not related to the family of inherited liver diseases that fall under the classification of hereditary hemochromatosis (see, e.g., 235200). Whitington (2007) proposed the term 'congenital alloimmune hepatitis.' In the past, the disorder has loosely been labeled 'neonatal hepatitis' and 'giant cell hepatitis,' which are pathologic findings in the liver representing a common response to a variety of insults, including cholestatic disorders and infection, among others (Fawaz et al., 1975; Knisely et al., 1987; Kelly et al., 2001). [from OMIM]

MedGen UID:
82768
Concept ID:
C0268059
Disease or Syndrome
4.

Blindness

The inability to see or the loss or absence of perception of visual stimuli. This condition may be the result of EYE DISEASES; OPTIC NERVE DISEASES; OPTIC CHIASM diseases; or BRAIN DISEASES affecting the VISUAL PATHWAYS or OCCIPITAL LOBE. [from MeSH]

MedGen UID:
99138
Concept ID:
C0456909
Finding
5.

Degeneration of retina

A retrogressive pathological change in the retina, focal or generalized, caused by genetic defects, inflammation, trauma, vascular disease, or aging. Degeneration affecting predominantly the macula lutea of the retina is MACULAR DEGENERATION. (Newell, Ophthalmology: Principles and Concepts, 7th ed, p304) [from MeSH]

MedGen UID:
48432
Concept ID:
C0035304
Disease or Syndrome
6.

Retinal Diseases

The retina is a layer of tissue in the back of your eye that senses light and sends images to your brain. In the center of this nerve tissue is the macula. It provides the sharp, central vision needed for reading, driving and seeing fine detail. Retinal disorders affect this vital tissue. They can affect your vision, and some can be serious enough to cause blindness. Examples are: -Macular degeneration - a disease that destroys your sharp, central vision. -Diabetic eye disease. -Retinal detachment - a medical emergency, when the retina is pulled away from the back of the eye. -Macular pucker - scar tissue on the macula. -Macular hole - a small break in the macula that usually happens to people over 60. -Floaters - cobwebs or specks in your field of vision. NIH: National Eye Institute.  [from MedlinePlus]

MedGen UID:
11209
Concept ID:
C0035309
Disease or Syndrome
7.

Elderly person

A person 65 through 79 years of age. For a person older than 79 years, AGED, 80 AND OVER is available. [from MeSH]

MedGen UID:
7927
Concept ID:
C0001792
Finding
8.

Retinal degeneration

A deterioration of the retina. This nonspecific term is retained here because of its wide use in the literature, but if possible new annotations should indicate the precise type of retinal abnormality. [from HPO]

MedGen UID:
504488
Concept ID:
CN000512
Finding
9.

Nystagmus

MedGen UID:
409575
Concept ID:
C1963184
Finding
10.

Anti-neutrophil cytoplasmic antibody-associated vasculitis

Group of systemic vasculitis with a strong association with ANCA. The disorders are characterized by necrotizing inflammation of small and medium size vessels, with little or no immune-complex deposits in vessel walls. [from MeSH]

MedGen UID:
403453
Concept ID:
C2717865
Disease or Syndrome
11.

Place in family order: oldest sibling

MedGen UID:
83191
Concept ID:
C0337546
Finding
12.

Nystagmus

Involuntary movements of the eye that are divided into two types, jerk and pendular. Jerk nystagmus has a slow phase in one direction followed by a corrective fast phase in the opposite direction, and is usually caused by central or peripheral vestibular dysfunction. Pendular nystagmus features oscillations that are of equal velocity in both directions and this condition is often associated with visual loss early in life. (Adams et al., Principles of Neurology, 6th ed, p272) [from MeSH]

MedGen UID:
45166
Concept ID:
C0028738
Disease or Syndrome
13.

Retinaldehyde

A carotenoid constituent of visual pigments. It is the oxidized form of retinol which functions as the active component of the visual cycle. It is bound to the protein opsin forming the complex rhodopsin. When stimulated by visible light, the retinal component of the rhodopsin complex undergoes isomerization at the 11-position of the double bond to the cis-form; this is reversed in "dark" reactions to return to the native trans-configuration. [from MeSH]

MedGen UID:
19764
Concept ID:
C0035331
Pharmacologic Substance
14.

Tissue Degeneration

MedGen UID:
3705
Concept ID:
C0011164
Pathologic Function
15.

Blindness - both eyes

MedGen UID:
742290
Concept ID:
C1879328
Finding
16.

Disease Attributes

Clinical characteristics of disease or illness. [from MeSH]

MedGen UID:
199876
Concept ID:
C0752357
Disease or Syndrome
17.

Blindness, Monocular

MedGen UID:
196696
Concept ID:
C0750958
Disease or Syndrome
18.

Leber's optic atrophy

Mitochondrial diseases are a clinically heterogeneous group of disorders that arise as a result of dysfunction of the mitochondrial respiratory chain. They can be caused by mutation of genes encoded by either nuclear DNA or mitochondrial DNA (mtDNA). While some mitochondrial disorders only affect a single organ (e.g., the eye in Leber hereditary optic neuropathy [LHON]), many involve multiple organ systems and often present with prominent neurologic and myopathic features. Mitochondrial disorders may present at any age. Many individuals with a mutation of mtDNA display a cluster of clinical features that fall into a discrete clinical syndrome, such as the Kearns-Sayre syndrome (KSS), chronic progressive external ophthalmoplegia (CPEO), mitochondrial encephalomyopathy with lactic acidosis and stroke-like episodes (MELAS), myoclonic epilepsy with ragged-red fibers (MERRF), neurogenic weakness with ataxia and retinitis pigmentosa (NARP), or Leigh syndrome (LS). However, considerable clinical variability exists and many individuals do not fit neatly into one particular category, which is well-illustrated by the overlapping spectrum of disease phenotypes (including mitochondrial recessive ataxia syndrome (MIRAS) resulting from mutation of the nuclear gene POLG, which has emerged as a major cause of mitochondrial disease. Common clinical features of mitochondrial disease – whether involving a mitochondrial or nuclear gene – include ptosis, external ophthalmoplegia, proximal myopathy and exercise intolerance, cardiomyopathy, sensorineural deafness, optic atrophy, pigmentary retinopathy, and diabetes mellitus. Common central nervous system findings are fluctuating encephalopathy, seizures, dementia, migraine, stroke-like episodes, ataxia, and spasticity. A high incidence of mid- and late pregnancy loss is a common occurrence that often goes unrecognized. [from GeneReviews]

MedGen UID:
182973
Concept ID:
C0917796
Disease or Syndrome
19.

Inborn genetic diseases

Diseases that are caused by genetic mutations present during embryo or fetal development, although they may be observed later in life. The mutations may be inherited from a parent's genome or they may be acquired in utero. [from MeSH]

MedGen UID:
181981
Concept ID:
C0950123
Disease or Syndrome
20.

Heredodegenerative Disorders, Nervous System

Inherited disorders characterized by progressive atrophy and dysfunction of anatomically or physiologically related neurologic systems. [from MeSH]

MedGen UID:
155945
Concept ID:
C0751870
Disease or Syndrome

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