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X-Linked Congenital Stationary Night Blindness: Review and Report of a Family With Hyperopia

X-Linked Congenital Stationary Night Blindness: Review and Report of a Family With Hyperopia Abstract To the Editor. —In the article by Khouri et al1 in the October 1988 issue of the Archives, the authors state, "We report on a family in which three of the five affected members had hyperopia and could be classified as the incomplete type and in which a fourth member with myopia was more consistent with the complete type."Recent evidence has shown that congenital stationary night blindness of the complete type (CSNB1) and congenital stationary night blindness of the incomplete type (CSNB2)2,3 may be caused by two different genes on the X chromosome.4-7 Since no other authors have found both CSNB1 and CSNB2 in the families they studied,5,8,9 we would like to pose the following question: Can the authors provide a description of the electroretinogram testing conditions of all the patients tested, since we presume that IV-2 could be suffering from CSNB2. Weleber et al References 1. Khouri G, Mets MB, Smith VC, Wendell M, Pass AS. X-linked congenital stationary night blindness: review and report of a family with hyperopia . Arch Ophthalmol . 1988;106:1417-1422.Crossref 2. Van Dorp DB, Eriksson AW, Delleman JW, et al. Aland eye disease: no albino misrouting . Clin Genet . 1985;28:526-531.Crossref 3. Hittner HM, Borda RP, Justice J. X-linked recessive congenital stationary night blindness, myopia, and tilted discs . J Pediatr Ophthalmol Strabismus . 1981;18:15-20. 4. Bech-Hansen NT, Field LL, Schramm AM, et al. A locus for X-linked congenital stationary night blindness is located on the proximal portion of the short arm of the X-chromosome . Hum Genet . 1990;84:406-408.Crossref 5. Gal AL, Schinzel A, Orth U, et al. Gene of X-chromosomal congenital stationary nightblindness is closely linked to DXS7 on Xp . Hum Genet . 1989;81:315-318.Crossref 6. Musarella MA, Weleber RG, Murphey WH, et al. Assignment of the gene for complete X-linked congenital stationary night blindness (CSNB1) to Xp11.3 . Genomics . 1989;5:727-737.Crossref 7. Weleber RG, Pillers DAM, Powell BR, et al. Aland island eye disease (Forsius-Eriksson syndrome) associated with contiguous deletion syndrome at Xp21 . Arch Ophthalmol . 1989;107:1170-1179.Crossref 8. Miyake M, Yagasaki K, Horiguchi M, Kawase Y, Kanda T. Congenital stationary night blindness with negative electroretinogram: a new classification . Arch Ophthalmol . 1986;104:1013-1020.Crossref 9. Price MJ, Judisch GK, Thompson HS. X-linked congenital stationary night blindness with myopia and nystagmus without clinical complaints of nyctalopia . J Pediatr Ophthalmol Strabismus . 1988;25:33-36. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Ophthalmology American Medical Association

X-Linked Congenital Stationary Night Blindness: Review and Report of a Family With Hyperopia

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X-Linked Congenital Stationary Night Blindness: Review and Report of a Family With Hyperopia

Abstract

Abstract To the Editor. —In the article by Khouri et al1 in the October 1988 issue of the Archives, the authors state, "We report on a family in which three of the five affected members had hyperopia and could be classified as the incomplete type and in which a fourth member with myopia was more consistent with the complete type."Recent evidence has shown that congenital stationary night blindness of the complete type (CSNB1) and congenital stationary night blindness of the...
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References (9)

Publisher
American Medical Association
Copyright
Copyright © 1991 American Medical Association. All Rights Reserved.
ISSN
0003-9950
eISSN
1538-3687
DOI
10.1001/archopht.1991.01080060020005
Publisher site
See Article on Publisher Site

Abstract

Abstract To the Editor. —In the article by Khouri et al1 in the October 1988 issue of the Archives, the authors state, "We report on a family in which three of the five affected members had hyperopia and could be classified as the incomplete type and in which a fourth member with myopia was more consistent with the complete type."Recent evidence has shown that congenital stationary night blindness of the complete type (CSNB1) and congenital stationary night blindness of the incomplete type (CSNB2)2,3 may be caused by two different genes on the X chromosome.4-7 Since no other authors have found both CSNB1 and CSNB2 in the families they studied,5,8,9 we would like to pose the following question: Can the authors provide a description of the electroretinogram testing conditions of all the patients tested, since we presume that IV-2 could be suffering from CSNB2. Weleber et al References 1. Khouri G, Mets MB, Smith VC, Wendell M, Pass AS. X-linked congenital stationary night blindness: review and report of a family with hyperopia . Arch Ophthalmol . 1988;106:1417-1422.Crossref 2. Van Dorp DB, Eriksson AW, Delleman JW, et al. Aland eye disease: no albino misrouting . Clin Genet . 1985;28:526-531.Crossref 3. Hittner HM, Borda RP, Justice J. X-linked recessive congenital stationary night blindness, myopia, and tilted discs . J Pediatr Ophthalmol Strabismus . 1981;18:15-20. 4. Bech-Hansen NT, Field LL, Schramm AM, et al. A locus for X-linked congenital stationary night blindness is located on the proximal portion of the short arm of the X-chromosome . Hum Genet . 1990;84:406-408.Crossref 5. Gal AL, Schinzel A, Orth U, et al. Gene of X-chromosomal congenital stationary nightblindness is closely linked to DXS7 on Xp . Hum Genet . 1989;81:315-318.Crossref 6. Musarella MA, Weleber RG, Murphey WH, et al. Assignment of the gene for complete X-linked congenital stationary night blindness (CSNB1) to Xp11.3 . Genomics . 1989;5:727-737.Crossref 7. Weleber RG, Pillers DAM, Powell BR, et al. Aland island eye disease (Forsius-Eriksson syndrome) associated with contiguous deletion syndrome at Xp21 . Arch Ophthalmol . 1989;107:1170-1179.Crossref 8. Miyake M, Yagasaki K, Horiguchi M, Kawase Y, Kanda T. Congenital stationary night blindness with negative electroretinogram: a new classification . Arch Ophthalmol . 1986;104:1013-1020.Crossref 9. Price MJ, Judisch GK, Thompson HS. X-linked congenital stationary night blindness with myopia and nystagmus without clinical complaints of nyctalopia . J Pediatr Ophthalmol Strabismus . 1988;25:33-36.

Journal

Archives of Ophthalmology – American Medical Association

Published: Jun 1, 1991

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