Retinal morphological changes of patients with X-linked retinoschisis evaluated by Fourier-domain optical coherence tomography

Christina Gerth, Robert Zawadzki, John S Werner, Elise Héon

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

Objective: To investigate the retinal microstructure and lamination of patients affected with X-linked retinoschisis (XLRS) using high-resolution imaging modalities. Methods: Patients diagnosed as having XLRS underwent assessment. Visual function testing included visual acuity, color vision, and full-field electroretinography. We used a high-resolution Fourier-domain optical coherence tomography (FD-OCT) system (4.5-μm axial resolution; 9 frames/s; 1000 A-scans per frame) combined with a handheld scanner. Macular image evaluation included schisis localization and retinal layer integrity. Results: Six patients with XLRS and identified mutations in the XLRS1 gene underwent testing. Visual acuity ranged from 0.2 to 1.6 logMAR (logarithm of the minimum angle of resolution). Results of FD-OCT revealed foveal schisis extending from the outer to the inner plexiform layer in 4 of 6 patients. Bullous foveal schisis was associated with younger age. All patients showed extrafoveal schisis within the outer and inner nuclear and ganglion cell layer, alone or in combination. Photoreceptor outer and inner segment layers were disrupted and irregular in all patients. Conclusions: Retinal dystrophy in XLRS is reflected by morphological changes within the inner and outer retinal layers. Disturbed foveal photoreceptor integrity was identified in all patients. Retinal layer abnormalities correlated with age but did not appear to correlate with visual acuity or genotypic variation.

Original languageEnglish (US)
Pages (from-to)807-811
Number of pages5
JournalArchives of Ophthalmology
Volume126
Issue number6
DOIs
StatePublished - Jun 2008

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Retinoschisis
Optical Coherence Tomography
Visual Acuity
Retinal Dystrophies
Electroretinography
Color Vision
Ganglia
Mutation

ASJC Scopus subject areas

  • Ophthalmology

Cite this

Retinal morphological changes of patients with X-linked retinoschisis evaluated by Fourier-domain optical coherence tomography. / Gerth, Christina; Zawadzki, Robert; Werner, John S; Héon, Elise.

In: Archives of Ophthalmology, Vol. 126, No. 6, 06.2008, p. 807-811.

Research output: Contribution to journalArticle

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