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- W3029719005 abstract "Objective To evaluate the application of refractive lens exchange(RLE)for middle and old age people with high myopia.Methods Eighty myopic eyes of 47 patients treated with the natural crystalline extraction and an aphakic IOL implantation were followed,in which corneal astigmatism≥-1.5D eyes were treated combining astigmatic keratotomy (AK) with RLE.The average age of patients was (53.71±7.26) years,the average myopia diopter was(-20.78±5.18)D,and the best corrected visual acuity(BCVA)was(0.05～0.9)(Decimal).The average follow-up time was 12 months.All the treated eyes were observed for anterior segment changes,BCVA,corneal endothelium,position of IOL,intraocular pressure(I0P),manifest refraction,founds and complications.Results Compared with preoperative data,spherical equivalent(SE)and BCVA were improved significantly.At 12 months postoperatively,No loss of visual acuity was found.65% of eyes in BCVA was more than 0.5.In the group of non-combining AK(53 eyes)the average of predicted refractive error was (-0.23±-1.03)D(from-2.25D to+2.54D) and the absolute error was 18 eyes(33.96%)within±0.5D,16 eyes(30.19%)within±0.5～±1.0D,12 eyes(22.64%)within±1.0～±1.5D and 7 eyes(13.21%)more than±1.5D.There were correlations between axial length and predicted error or IOL power and predicted error,though the coefficients were not big(r=0.329,0.388 respectively).Corneal astigmatism with a Vectorbased method was applied in the group of RLE with AK (27 eyes).Actual corrected quantity of AK was(1.72±0.93)D and the angle of axial between effective surgery and preoperatively was(5.1±3.1)degree.Postcapsular rupture occurred in one eye during the surgery.Macular hemorrhage in 1 eye and posterior capsule opacification (PCO)in 1 eye were found during the follow-up and no patients complicated other complications such as halo,glare et al.Conclusions RLE is effective and safe for treatment of middle and old people with high myopia and the results are predictable.which can improve patients'quality of life.Key words: Lenses,intraocular; Ophthalmologic surgical procedures; Ametropia" @default.
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- W3029719005 date "2008-02-10" @default.
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- W3029719005 title "The clinical investigation of refractive lens exchange for high myopia" @default.
- W3029719005 doi "https://doi.org/10.3760/cma.j.issn.1006-4443.2008.02.016" @default.
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