患者 女,18岁,于1992年4月20日入院。病人10个月前发现右眼内有一米粒大小黑点,低头时影响视力。曾在我院门诊先后检查过两次,视力、眼压均正常,未予治疗。近4个月来,黑点逐渐增大。无外伤史及家族史,体格检查未见异常。眼部检查:双眼视力1.5。右眼眼压1.37kPa,左眼正常。手电筒彻照可见右眼前房内下方有一约2.5mm×2.5mm大小的棕黑色囊样物,可随体位变化而浮动,有时到瞳孔区可影响视力。裂隙灯下可见此囊样物,其壁菲薄透明,表面有分布不均的色素,无血管,无蒂、与虹膜 The patient, 18 years old, was admitted on April 20, 1992. 10 months ago, the patient found a grain size black spots in the right eye, bowing affect vision. Have checked twice in our hospital clinic, visual acuity, intraocular pressure were normal, no treatment. In the past 4 months, black spots gradually increased. No history of trauma and family history, physical examination showed no abnormalities. Eye examination: binocular vision 1.5. Right eye intraocular pressure 1.37kPa, normal left eye. Thoroughly flashlight can see the right eye below the anterior chamber has a size of about 2.5mm × 2.5mm brown-black sac-like objects that can float with changes in position, and sometimes to the pupil area can affect vision. Slit lamp can be seen under the capsule sample, its thin and transparent wall, the surface unevenly distributed pigment, no vascular, pedicle, and iris