Journal of cataract and refractive surgery · 1996
Corneal topography and astigmatism after superior sutured 8 mm scleral tunnel incisions.
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Bellucci R, Morselli S, Pucci V, Palamara A
Аннотация
OBJECTIVES: To verify corneal topography and astigmatism after cataract surgery with 8 mm scleral tunnel incisions closed with a continuous 10-0 nylon suture.
SETTING: Institute of Ophthalmology, University of Verona, Italy.
METHOD: Twenty eyes were studied for 12 months after cataract extraction with 8 mm, sutured, scleral tunnel incisions. Corneal topography (EyeSys 2.1) was evaluated for the first 5 months. Astigmatism (absolute and induced) was measured by Javal ophthalmometry preoperatively and 1, 7, 30, 60, 90, 150, and 360 days after surgery.
RESULTS: In the week following surgery, corneal shape was minimally affected and uncorrected visual acuity was not compromised. Mean with-the-rule induced cylinder was less than 1.00 diopter (D). After 5 and after 12 months, the mean induced cylinder was still less than 1.50 D but with an against-the-rule shift in almost all eyes.
CONCLUSIONS: Sutured 8 mm tunnel incisions showed good results in terms of absolute cylinders but late against-the-rule shift could not be avoided.
SETTING: Institute of Ophthalmology, University of Verona, Italy.
METHOD: Twenty eyes were studied for 12 months after cataract extraction with 8 mm, sutured, scleral tunnel incisions. Corneal topography (EyeSys 2.1) was evaluated for the first 5 months. Astigmatism (absolute and induced) was measured by Javal ophthalmometry preoperatively and 1, 7, 30, 60, 90, 150, and 360 days after surgery.
RESULTS: In the week following surgery, corneal shape was minimally affected and uncorrected visual acuity was not compromised. Mean with-the-rule induced cylinder was less than 1.00 diopter (D). After 5 and after 12 months, the mean induced cylinder was still less than 1.50 D but with an against-the-rule shift in almost all eyes.
CONCLUSIONS: Sutured 8 mm tunnel incisions showed good results in terms of absolute cylinders but late against-the-rule shift could not be avoided.