Medicine:Iris hypoplasia with glaucoma

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Iris hypoplasia with glaucoma
Other namesIris hypoplasia and glaucoma, IHG
Depiction of vision for a Glaucoma patient.png
SpecialtyMedical genetics, Ophthalmology
Symptomsocular anomalies
Usual onsetConception
DurationLifelong
CausesGenetic mutation
PreventionNone
PrognosisMedium
FrequencyRare, although 3 families have been described, there could be more, since iris hypoplasia and accompanying glaucoma can't be as rare as 3 families out of 2 billion
Deaths-

Iris hypoplasia with glaucoma, also known as Iris hypoplasia and glaucoma or simply IHG is a very rare genetic disorder which is characterized by a combination of an underdeveloped of the iris and glaucoma. It has been described in three families; two from Russia [1] and one from London, United Kingdom It was mapped to a duplication of the q25 region of chromosome 6 through the London family.[2] Tooth agenesis can sometimes be associated with this disorder.[3]

References

  1. "OMIM Entry - 308500 - IRIS HYPOPLASIA WITH GLAUCOMA; IHG". https://omim.org/entry/308500#1. 
  2. Lehmann, O. J.; Ebenezer, N. D.; Jordan, T.; Fox, M.; Ocaka, L.; Payne, A.; Leroy, B. P.; Clark, B. J. et al. (2000-11-01). "Chromosomal duplication involving the forkhead transcription factor gene FOXC1 causes iris hypoplasia and glaucoma". American Journal of Human Genetics 67 (5): 1129–1135. doi:10.1016/S0002-9297(07)62943-7. ISSN 0002-9297. PMID 11007653. 
  3. Kimura, Masashi; Tokita, Yoshihito; Machida, Junichiro; Shibata, Akio; Tatematsu, Tadashi; Tsurusaki, Yoshinori; Miyake, Noriko; Saitsu, Hirotomo et al. (2014-07-31). "A novel PITX2 mutation causing iris hypoplasia" (in en). Human Genome Variation 1 (1): 14005. doi:10.1038/hgv.2014.5. ISSN 2054-345X. PMID 27081499.