Eye injuries caused by eyeglass lenses

Among a group of 452 patients treated for eye injuries between 1979 and 1983, there were 66 with injuries due to broken spectacle lenses. These accidents accounted for 7.1% of all penetrating lacerations and 18.2% of all superficial ones. The trend in the period reviewed was toward an increase in such injuries. Altogether, 86.3% of the accidents occurred during free time, with most of the patients being male and between 11 and 30 years of age. The number of injured children is very low. The number of patients with lid lacerations was equivalent to 40.9%, the same as for injuries to the cornea. Most of the patients wore concave lenses, of which 48.5% were shattered by hitting or being hit by another object, and 36.4% by the patient falling.     

Clinical trial with commercial aspheric aphakic lenses

A clinical trial with 11 subjects was conducted to compare the Armorlite Multiple Drop, the Signet Hyperaspheric, the Sola Hi-Drop, and the American Optical Fulvue types of aspheric aphakic lenses. Reasonable off-axis visual acuities were obtained with the Signet, Sola, and Fulvue types, but poor visual acuities were found with the Armorlite type. Similar visual field limits were found with the armorlite, Signet, and Sola types. Considerably larger limits were found with the Fulvue type than with the other types. However, subjects failed to appreciate these larger limits; this was attributed to the extremely poor image quality near the edge of the visual field with this lens type. Some subjects disliked the poor off-axis image quality with the Armorlite lens type, and it had poor acceptance relative to the other types. Concerning subjective perception of weight, cosmetic appearance, and visual field size, and subjective evaluation of performance of everyday activities, there were no significant differences between lens types. It was concluded that reducing lens off-axis power errors, corresponding to the rotating eye, should remain the most important principle of aphakic spectacle lens design.     

双眼原发性先天性无晶状体一例

患儿,女,9岁,母诉患儿自幼视远和视近皆不清,于1997年11月17日来我科求治.既往体健,无眼疾,否认手术和外伤史,家族中无类似眼病.体格检查:患儿发育佳,营养中等,神智清晰,检查合作.头颅、颌面、口腔、耳鼻喉、心、肺、腹、皮肤、四肢、指(趾)和血、尿及心电图常规检查皆正常.眼科检查:视力:双眼裸眼3.0,矫正双眼+13.00 DS→4.4.双眼眼位正,眼球各方向运动无异常.     

先天性双眼特大角膜皮样瘤合并腭裂一例

患者,男,10个月.父母以双眼球向外突出、视力障碍为主诉就诊于我院眼科.检查:视力:双眼均为光感/30cm,上下睑无异常.右眼角膜呈圆球形(又似蘑菇状),向前外突出约12mm,表面布满新生血管,呈粉红色,突出于睑裂外,瘤体占据全部角膜,根部直径约11mm,连于角膜缘一周,角膜缘可见一灰黑色环状带.     

先天性双眼角膜皮样瘤伴双侧副耳1例

患者,女,16岁。2 0 0 2年9月因出生后双眼角膜下方有肿物并逐渐渐增大就诊于我院眼科。检查:一般情况良好。视力右眼0 .1(不能矫正) ,左眼0 .6 (加小孔后为0 .8)。双眼上下睑无异常,右眼角膜颞下侧跨越角膜缘有半球形淡红色肿物,约6mm×5mm ,表面粗糙似皮肤,质韧,可见毛细血管,中央部有少许纤毛。左眼肿物在角膜下方亦跨越角膜缘,外观同右眼,略小,无纤毛。除肿物覆盖处外,余角膜透明,屈光间质透明,眼底无异常。左眼注视时,右眼外斜4 5°。有双侧副耳,右侧2个,约4mm×7mm和3mm×3mm大小,左侧1个约6mm×5mm ,表面有正常皮肤覆盖。初步诊断:①…     

双眼多焦点人工晶状体术后远期双眼视觉变化

目的探讨双眼植入多焦点人工晶状体(MIOL)后远期患者视觉质量的恢复情况。方法观察16例32眼植入MIOL的患者和13例26眼双眼植入单焦点人工晶状体(SIOL)的患者术后6个月以上视力、立体视觉和影像不等的改变,并进行问卷调查。结果MIOL眼远期近视力和矫正远视度数下的近视力明显较SIOL好;裸眼状态下MIOL组近立体视锐度明显优于SIOL组;两组患者均只有一例出现影像不等的现象;MIOL组脱镜率明显高于SIOL组。结论双眼植入MIOL可以获得满意的双眼视觉及正常的远近立体视锐度,明显提高患者的视觉质量。     

A rare case of Moebius sequence

We report a case of an 18-year-old male who presented with watering and inability to close the left eye completely since 6 months and inability to move both eyes outward and to close the mouth since childhood. Ocular, facial, and systemic examination revealed that the patient had bilateral complete lateral rectus and bilateral incomplete medial rectus palsy, left-sided facial nerve paralysis, thickening of lower lip and inability to close the mouth, along with other common musculoskeletal abnormalities. This is a typical presentation of Moebius syndrome which is a very rare congenital neurological disorder characterized by bilateral facial and abducens nerve paralysis. This patient had bilateral incomplete medial rectus palsy which is suggestive of the presence of horizontal gaze palsy or occulomotor nerve involvement as a component of Moebius sequence.