Power W J, Hope-Ross M, Mooney D J
Research Foundation, Royal Victoria Eye and Ear Hospital, Dublin, Ireland.
J Cataract Refract Surg. 1992 May;18(3):306-9. doi: 10.1016/s0886-3350(13)80909-1.
Pupils are frequently dilated on the day before cataract surgery and for retinal detachment surgery so the fundus can be examined. This may, however, interfere with pupil mydriasis on the day of surgery. This study looked at the effect of pupil dilation with tropicamide 1% and with cyclopentolate 1% on pupil mydriasis 24 hours later, using phenylephrine 10% and cyclopentolate 1%, in 40 cataract patients. The pupils dilated with cyclopentolate one day previously demonstrated a mean reduction in subsequent mydriasis of 0.73 mm compared with pupils that had been dilated with tropicamide (P less than .0001). The magnitude of this difference was not related to the patient age (P = .12) or to iris color (P = .21). If it is necessary to dilate pupils on the day before surgery, tropicamide 1% rather than cyclopentolate 1% should be used, as it is less likely to interfere with the pupil mydriasis produced with cyclopentolate 1% and phenylephrine 10% on the day of surgery.
在白内障手术和视网膜脱离手术前一天，通常会散瞳以便检查眼底。然而，这可能会干扰手术当天的瞳孔散大。本研究观察了40例白内障患者使用1%托吡卡胺和1%环喷托酯散瞳后24小时，再使用10%去氧肾上腺素和1%环喷托酯时瞳孔散大的效果。与使用托吡卡胺散瞳的瞳孔相比，提前一天使用环喷托酯散瞳的瞳孔后续散大平均减少了0.73毫米（P小于0.0001）。这种差异的大小与患者年龄（P = 0.12）或虹膜颜色（P = 0.21）无关。如果术前一天有必要散瞳，应使用1%托吡卡胺而非1%环喷托酯，因为它不太可能干扰手术当天使用1%环喷托酯和10%去氧肾上腺素产生的瞳孔散大。
