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Axial length and refractive error in X-linked retinoschisis
1Department of Ophthalmology, Nagoya University School of Medicine, Nagoya, Japan.
American Journal of Ophthalmology
|June 1, 2001
Summary
X-linked retinoschisis is associated with axial hypermetropia, characterized by shorter eye length. This finding clarifies the refractive error common in patients with this genetic eye condition.
Area of Science:
- Ophthalmology
- Genetics
- Refractive Error
Background:
- X-linked retinoschisis is a genetic disorder affecting vision.
- Hypermetropia (farsightedness) is frequently observed in affected individuals.
Purpose of the Study:
- To investigate the relationship between axial length and refractive error in X-linked retinoschisis.
- To determine if the observed hypermetropia is axial in nature.
Main Methods:
- Axial length and refractive error were measured in 29 patients with X-linked retinoschisis.
- Patients were categorized into juvenile (<13 years) and adult (>=13 years) groups.
- A control group of 30 healthy adult men was included for comparison.
Main Results:
- Adult patients with X-linked retinoschisis exhibited significantly more hypermetropia compared to controls.
- Shorter axial lengths were observed in the adult patient group versus the control group (P <.001).
Conclusions:
- The hypermetropia in X-linked retinoschisis is strongly suggested to be axial hypermetropia.
- Shorter axial length is a key characteristic of refractive error in this condition.