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Vitreous cysts in patients with retinitis pigmentosa
Noriko Yoshida1, Yasuhiro Ikeda2, Yusuke Murakami1
1Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan.
Purpose:
To determine the prevalence of vitreous cysts in patients with retinitis pigmentosa (RP).
Methods:
We retrospectively reviewed the charts of 435 consecutive patients diagnosed as having typical RP.
Results:
Vitreous cysts were diagnosed in 37 eyes of 28 patients with RP (13 males and 15 females; mean age 47.0 ± 19.8 years; range 15-79 years), for an overall prevalence of 6.4%. The cysts were observed bilaterally in nine of the patients (32.1%). Among these 28 patients, 11 (39.3%) were younger than 40 years. In all, 81.8% of the vitreous cysts were detected around the optic nerve head.
Conclusions:
We demonstrated that the prevalence of vitreous cysts was 6.4% in patients with RP. These cysts were considered to be asymptomatic.
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