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Foveal thickness in occult macular dystrophy
Mineo Kondo1, Yasuki Ito, Shinji Ueno
1Department of Ophthalmology, Nagoya University School of Medicine, Japan. kondomi@med.nagoya-u.ac.jp
American Journal of Ophthalmology
|April 30, 2003
Summary
Occult macular dystrophy (OMD) is an inherited condition causing vision loss without visible eye changes. Optical coherence tomography (OCT) revealed significantly thinner foveal thickness in OMD patients compared to controls.
Area of Science:
- Ophthalmology
- Medical Imaging
- Genetics
Background:
- Occult macular dystrophy (OMD) is an inherited condition.
- Characterized by progressive macular dysfunction.
- No visible fundus abnormalities.
Purpose of the Study:
- Investigate foveal thickness in OMD patients.
- Utilize optical coherence tomography (OCT).
- Compare OMD patients to normal controls.
Main Methods:
- Observational case series.
- Measured foveal thickness using OCT.
- Compared 22 eyes from 11 OMD patients with 27 eyes from 20 controls.
Main Results:
- OMD patients had significantly thinner foveal thickness (96.5 ± 19.5 µm) than controls (133.3 ± 9.0 µm).
- 18 of 22 OMD eyes were thinner than normal limits.
- No correlation found between foveal thickness and visual acuity, age, or disease duration.
Conclusions:
- OMD involves significant anatomical changes in the macula.
- OCT is a valuable tool for diagnosing OMD.
- Further research into OMD pathogenesis is warranted.