Abstract：
PURPOSE:Advances in cataract removal using topical anesthesia through a clear corneal microincision have created a new opportunity to fully correct refractive errors at the time of cataract surgery. This study was undertaken to assess the effectiveness of keratolenticuloplasty (KLP), the simultaneous modification of the cornea at cataract removal to create emmetropia with lens implantation. METHODS:Data were analyzed for 690 consecutive cataract procedures performed between March 1993 and March 1995, with follow-up of 12 to 24 months. Each patient underwent cataract removal with topical anesthesia, clear corneal incision fashioned as an arcuate keratotomy to correct pre-existing astigmatism, intercapsular phacoemulsification, and microinjection of a single-piece elastic intraocular lens (IOL) into the capsular bag to correct spherical error. RESULTS:Preoperative best-corrected visual acuity was worse than 20/50 in all patients; 58% were myopic, 32% were hyperopic, and 57% had astigmatism of greater than 1 diopter (D). Postoperatively, spectacle independence was achieved with uncorrected visual acuity of 20/40 or better in 87% of eyes. The sphere was fully corrected in 78%, within 1 D in 17%, and within 2 D in 5%. No patients were overcorrected. The cylinder was fully corrected in 72%, within 1 D in 26%, and within 2 D in 2%. Of those with residual astigmatism, there was no significant postoperative shift in cylinder axis. There were no sight-threatening complications. All patients were able to resume normal unrestricted activities within 24 hours of undergoing the procedure. CONCLUSIONS:The KLP technique can correct spherical and astigmatic refractive errors, helping individuals become free of eyeglasses after clear corneal cataract surgery.
journal_name
Ophthalmologyjournal_title
Ophthalmologyauthors
Kershner RMdoi
10.1016/s0161-6420(97)30304-2subject
Has Abstractpub_date
1997-03-01 00:00:00pages
381-9issue
3eissn
0161-6420issn
1549-4713pii
S0161-6420(97)30304-2journal_volume
104pub_type
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