247casesfollowedupforcorrectingmyopiaaboutorthokeratology-毕业论文翻译.doc

247 cases followed up for correcting myopiaabout orthokeratologyAuthor: Gao Yanping Yang Zhang Yun, Xu Yuan Huisickness[Keywords]orthokeratologyKeywords:orthokeratology; myopia, treatment; refractive eyeAbstract:ObjectiveToinvestigatetherelationshipandtreatmentofreshapingthecorneaof​​the the myopia treatment effect, as wellas avarietyofparametersandefficacysideeffects.3 ~12mo follow-up observation of Ortho-K treatment of 247cases, 464 eye. Different diopter Ortho-K lenses with threedifferenttreatment,statisticsrefractiveerrorsinpatientswith different parameters and effect relationship betweenthe period and frequency of variousside effects. ResultsOrtho-Ktreatment,visualacuity>=4.8, 431eyes(92.9%, vision>=5.0348eyes(75.0%diopter>=-5.0D, corneal curvature≥ 45.0Daxiallength>=25mm of patients as well as early patients did not providethevalueof E, efficacywerelower(P<0.01; betterefficacyofthe13to17agegroup(P<0.01).primary1side effects of corneal epithelial damage (57.8% first wearing and ghosting (3wk 45.7%, 1 patient hadpersistent asthenopia. Conclusions Orthokeratology The technology is a safe and effective way to improve myopiauncorrected visual acuity, the treatment of children ’s myopia is better, but it should be noted that the side effects of corneal epithelial damage and ghosting.Keywords:orthokeratology;myopiacontrol;refractionAbstract: AIM To follow-up orthokeratology (OKonmy-opia,andtherelationshipbetweenthevariousparameters and the effect, and the side-effects.METHODS464eyes of247cases treated with OKwerefollowedfor3to12months.Three kinds of OK lenses were adopted totreatmyopiawithvariousdiopters.Therelationshipbetween parameters of ametropias and the effect as wellas the period of time and frequency of side-effects wereanalyzed.RESULTS 3 ~ 12mo after the treatment with OK,visualacuitywas4.8or betterin431eyes(92.9%) ,5.0orbetterin348eyes(75.0%. Parameterswithrefractiveerror>=-5.0D,kera-to-refraction>= 45.0D,eye2axis> = 25mm, and / or where E (eccentricityvalve wasnotavailableat the early stage, had significantlypoorereffects (P <0.01.Patients aged13 ~ 17years old regainedbettervision(P <0.01.Themostcom-monside-effectsweremild damagetocorneaepithelium(57.8%amongthose who had never worn OK beforeand the appearanceofghost(45.7%withinthree weeks).Onlyoneofthepatientsexperiencedvisual fatiguestubbornly.Therewasno serious complication.CONCLUSION OK could be a safeandeffectivemethodtoimprovethenakedvi-sionofmyopias, and tended to produce unique effect on youngpeople,butsomeside-effectsshould be consideredforexample: damage to cornea epithelium and ghost etc.0 IntroductionOrthokeratology (orthokeratology, through a specially designed rigid contact lenses to reshape the curvature of the surface of the cornea to correct myopia away in our hospital were the introduction of Contex, amodel of visual company, AVS Feliz (Ortho-K lenses(Contex OK-3DK120, HDS DK58, Topfit-NV OK-B DK151.Ferris State University designed three of the 246 cases ofpatients with myopia Ortho-K treatment, by 3 ~ 12mo3follow-up, the results were satisfactory.1 objects and methods1.1object1999-01/2000-01myopicpatientswith247 cases, 464 eye (monocular 28, male 110 cases, female137 cases, aged7 to40 years old. 7-10 years40cases;aged 11 to 15 142 cases; 43 cases of 16 to 20 years old; 10cases 21 to 25 yearsold; 12 cases over the age of 25.before treatmentspherical(-1.0~-8.0Ds,average(-3.5+-1.5Ds; cylinder (0 to-3.0Dc of average (-0.7 +-0.5Dc.1.2 Methods of patients require treatment for vision,intraocularpressure,anteriorsegment,fundus,cycloplegicrefraction,cornealcurvature,Bultrasonicexamination.Exceptpathologicmyopia,amblyopia,keratitis,acuteconjunctivitis,dryeye.topographyexaminationnext daylinecycloplegicrefraction.cornealtopographyresults,horizontalcurvature,verticalcurvature, the temporal side of the curvature, eccentricity,corneal diameter and corneal optical zone range of dataavailabletothecustomizedprovider(partoftheearlypatientsmadeduringthepatientssuffering frommildtrachoma with ofloxac。