Ophthalmology Unit, Kasetsart University Veterinary Teaching Hospital, Bangkok, Thailand.
Department of Companion Animal Clinical Sciences, Faculty of Veterinary Medicine, Kasetsart University, Bangkok, Thailand.
Open Vet J. 2021 Jan-Mar;11(1):121-127. doi: 10.4314/ovj.v11i1.18. Epub 2021 Feb 13.
Cataracts are the major cause of visual impairment in animals which can be curable by surgical treatment. Phacoemulsification is the standard technique for cataract treatment that is applied to almost all species with a high success rate.
A 2-year-old intact female orangutan () was presented for the study having bilateral opacity of the lenses, for 2 weeks. Ophthalmic examination revealed mature cataract OU. Ocular biometry measurements using A-scan ultrasonography for appropriate intraocular lens (IOL) refractive power calculation were carried out. Electroretinography was applied to ensure retinal function is intact. The orangutan underwent phacoemulsification OU and +24 diopter IOL implantation OS to restore vision. IOL implantation was not carried out OD because of a posterior capsular tear. Retinoscopy after 3 weeks postoperatively revealed +2.0 diopters OS. The outcome of the cataract surgery was successful during 3 years follow-up. The orangutan lived with other orangutans and was alert with normal behavior such as catching food, climbing trees, and swinging hand over hand from one branch to another.
Cataract surgery with phacoemulsification OU and adjusted IOL implantation OD was successful with few complications in this orangutan. Vision was restored with normal behavior, even though an adjusted IOL was inserted in only one eye.
白内障是导致动物视力受损的主要原因，可以通过手术治疗。超声乳化术是治疗白内障的标准技术，几乎适用于所有物种，成功率很高。
一只 2 岁的未绝育雌性猩猩（）因双眼晶状体混浊，前来就诊，病程达 2 周。眼科检查发现双眼白内障成熟。使用 A 型超声生物测量仪进行眼球生物测量，以计算适当的人工晶状体（IOL）折射力，进行了适当的眼内晶状体（IOL）折射力计算。应用视网膜电图检查以确保视网膜功能完好。对该猩猩进行双眼白内障超声乳化术和+24 屈光度 IOL 植入术，以恢复视力。由于后囊撕裂，未对右眼行 IOL 植入术。术后 3 周检眼镜检查显示右眼+2.0 屈光度。在 3 年的随访中，白内障手术的结果是成功的。该猩猩与其他猩猩一起生活，行为正常，警觉，能够正常地捕捉食物、爬树和从一根树枝到另一根树枝手拉手地荡来荡去。
在这只猩猩中，超声乳化术联合调整 IOL 植入术治疗白内障手术取得了成功，并发症较少。尽管仅在一只眼插入了调整后的 IOL，但视力得到了恢复，行为也恢复了正常。
