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Items: 7

1.

Joubert syndrome 5

Classic Joubert syndrome (JS) is characterized by three primary findings: A distinctive cerebellar and brain stem malformation called the molar tooth sign (MTS). Hypotonia. Developmental delays. Often these findings are accompanied by episodic tachypnea or apnea and/or atypical eye movements. In general, the breathing abnormalities improve with age, truncal ataxia develops over time, and acquisition of gross motor milestones is delayed. Cognitive abilities are variable, ranging from severe intellectual disability to normal. Additional findings can include retinal dystrophy, renal disease, ocular colobomas, occipital encephalocele, hepatic fibrosis, polydactyly, oral hamartomas, and endocrine abnormalities. Both intra- and interfamilial variation are seen. [from GeneReviews]

MedGen UID:
347545
Concept ID:
C1857780
Disease or Syndrome
2.

Leber congenital amaurosis 14

Autosomal recessive childhood-onset severe retinal dystrophy is a heterogeneous group of disorders affecting rod and cone photoreceptors simultaneously. The most severe cases are termed Leber congenital amaurosis, whereas the less aggressive forms are usually considered juvenile retinitis pigmentosa (Gu et al., 1997). For a general phenotypic description and a discussion of genetic heterogeneity of Leber congenital amaurosis, see LCA1 (204000); for retinitis pigmentosa, see 268000. [from OMIM]

MedGen UID:
442375
Concept ID:
C2750063
Disease or Syndrome
3.

Osteoporosis with pseudoglioma

Osteoporosis-pseudoglioma syndrome (OPPG) is an autosomal recessive disorder characterized by severe osteoporosis and visual disturbance from childhood. Juvenile onset of osteoporosis manifests as long-bone fractures, vertebral compression fractures, kyphoscoliosis, deformity of extremities, and short stature. Congenital or early-onset visual disturbances arise from ophthalmologic problems including retinal detachment and microphthalmia (summary by Narumi et al., 2010). [from OMIM]

MedGen UID:
98480
Concept ID:
C0432252
Disease or Syndrome
4.

Leber congenital amaurosis 12

Leber congenital amaurosis-12 (LCA12) is characterized by congenital nystagmus, low vision, sluggish pupillary reflexes, absence of ocular pursuit from birth, early onset and long-lasting digitoocular signs of Franceschetti, and mild to moderate hyperopia. Photoaversion is usually present. Visual acuity, when measurable, is reduced to counting fingers, hand movements, or light perception (summary by Perrault et al., 2013). [from OMIM]

MedGen UID:
347535
Concept ID:
C1857743
Disease or Syndrome
5.

AICA-ribosiduria

AICA-ribosiduria is characterized by severe to profound global neurodevelopmental impairment, severe visual impairment due to chorioretinal atrophy, ante-postnatal growth impairment, and severe scoliosis. Dysmorphic features include coarse facies and upturned nose. Early-onset epilepsy may occur. Less common features may include aortic coarctation, chronic hepatic cytolysis, minor genital malformations, and nephrocalcinosis (Ramond et al., 2020). [from OMIM]

MedGen UID:
332474
Concept ID:
C1837530
Disease or Syndrome
6.

Senior-loken syndrome 3

Senior-Løken syndrome is a rare disorder characterized by the combination of two specific features: a kidney condition called nephronophthisis and an eye condition known as Leber congenital amaurosis.

Nephronophthisis causes fluid-filled cysts to develop in the kidneys beginning in childhood. These cysts impair kidney function, initially causing increased urine production (polyuria), excessive thirst (polydipsia), general weakness, and extreme tiredness (fatigue). Nephronophthisis leads to end-stage renal disease (ESRD) later in childhood or in adolescence. ESRD is a life-threatening failure of kidney function that occurs when the kidneys are no longer able to filter fluids and waste products from the body effectively.

Leber congenital amaurosis primarily affects the retina, which is the specialized tissue at the back of the eye that detects light and color. This condition causes vision problems, including an increased sensitivity to light (photophobia), involuntary movements of the eyes (nystagmus), and extreme farsightedness (hyperopia). Some people with Senior-Løken syndrome develop the signs of Leber congenital amaurosis within the first few years of life, while others do not develop vision problems until later in childhood. [from MedlinePlus Genetics]

MedGen UID:
335569
Concept ID:
C1846980
Disease or Syndrome
7.

Congenital blindness

Blindness with onset at birth. [from HPO]

MedGen UID:
2288
Concept ID:
C0005754
Congenital Abnormality
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