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Peripheral retinal defocus in adolescents based on multisperctral refraction topography
来源: | 作者:WANGSiyao,LIANGShuangfeng,GUOYujuan,LIYu,ZHOUYuehua | 发布时间: 2025-08-08 | 28 次浏览 | 分享到:
Authors and their organizations:

WANGSiyao1,2,3,LIANGShuangfeng1,2,3,GUOYujuan1,2,3,LIYu1,2,3,ZHOUYuehua1,2,3

1.EyeSchoolofChengduUniversityofTraditionalChineseMedicine,Chengdu610075,SichuanProvince,China

2.BeijingMingVisionOphthalmologyHospital,Beijing100062,China

3.IneyeHospitalofChengduUniversityofTCM,Chengdu610084,SichuanProvince,China

Correspondingauthor:ZHOUYuehua,Email:YH06236677@163.com


Objective Toexploretheassociationbetweenperipheralretinaldefocusandmyopiainadolescents.

Methods Thisstudyencompassed192adolescents(192righteyes),agedbetweeneightandfifteenyears,whosought

treatmentatIneyeHospitalofChengduUniversityofTCM from October2022toApril2023.Basedonthesphericalequiva

lent(SE),thepatientsweredividedintothreegroups:Emmetropia(E),low myopia(LM),andmoderatemyopia

(MM),witheachgroupcomprising64patients(64righteyes).Aftermydriaticrefraction,theSEvaluesweredocumen

ted.Ocularbiologicalparameters,includingaxiallength(AL),centralcornealthickness(CCT),lensthickness(LT),and

keratometryvalues(K1,K2),wereobtainedusingIOLMaster900.Multispectralrefractiontopographywasemployedto

measuretheretinaldefocus:positivevaluesindicatedhyperopicdefocus,whilenegativeonesrepresentedmyopicdefocus.

Withthemacularfoveaasthecenter,thetotalretinaldefocusvaluewasrecordedasTRDV.Theringpartition(eccentrici

ty)wasdividedinto0°-10°、>10°-20°、>20°-30°、>30°-40°、>40°-53°,whichwasrecordedasRDV0°-10°,RDV

10°-20°,RDV20°-30°,RDV30°-40°,andRDV40°-53°,respectively;thequadrantswererecordedasRDVSuperior

(RDVS),RDVInferior(RDVI),RDVTemporal(RDVT)andRDVNasal(RDVN),respectively.ThevarianceofRDV

acrossdifferentrangeswasanalyzedusingOneWayANOVAandnonparametrictests.TheassociationsbetweenSE,AL

andRDVwereexaminedusingSpearmanandPearsoncorrelationanalyses.Results TheRDV20°-30°,RDV30°-40°

andRDV40°-53°ofGroupsE,LMandMMallexhibitedhyperopicdefocus.Statisticallysignificantdifferenceswereidenti

fiedinTRDV,RDV10°-20°,RDV20°-30°,RDV30°-40°,RDV40°-53°,RDVS,RDVTandRDVNamongthethree

groups(allP<0.05).TRDV,RDV20°-30°,RDV30°-40°,RDV40°-53°,RDVS,RDVT,andRDVNwerefoundtobe

negativelycorrelatedwithSEwhilepositivelycorrelatedwithAL(allP<0.05).RDV0°-10°andRDVIwereuncorrelated

withbothSEandAL(allP>0.05);RDV10°-20°waspositivelycorrelatedwithAL(P=0.012)whileuncorrelatedwith

SE(P=0.233).Conclusion Peripheralretinalhyperopicdefocustendstoadvancewithescalatingeccentricityandmy

opia.Peripheralretinaldefocusisasymmetrical.Peripheral(10°-53°),superior,nasalandtemporalretinaldefocusmay

becloselyrelatedtothedevelopmentofmyopia.

【Keywords】 multispectralrefractiontopography;retinaldefocus;myopia;adolescent