中华医学杂志
中華醫學雜誌
중화의학잡지
National Medical Journal of China
2010年
7期
443-446
,共4页
王冬梅%王平%蓝卫忠%朱晓伟%李振%赵峰%杨智宽
王鼕梅%王平%藍衛忠%硃曉偉%李振%趙峰%楊智寬
왕동매%왕평%람위충%주효위%리진%조봉%양지관
调节滞后%近隐斜%视近下加%近视眼
調節滯後%近隱斜%視近下加%近視眼
조절체후%근은사%시근하가%근시안
Accommodative lag%Near phoria%Nearaddition lens%Myopia
目的 探讨在青少年近视眼矫正时不同视近下加条件下,调节滞后及隐斜的变化,并构建下加与调节滞后、隐斜间关系的数学公式,以期得到使调节滞后与隐斜量同时最小的最适视近下加范围.方法 招募110例单纯性近视眼的内隐斜视青少年患者,据MPMVA原则验光配镜后依次予以佩戴5种不同下加试镜片(OD、+0.75D、+1.50D、+2.00D、+2.50D)后测量双眼视近33 cm的调节反应(Shin-Nippon,日本)以及遮盖试验+排棱镜测量视近隐斜度;采用线性回归统计学分析视近下加与调节滞后、隐斜度间关系.结果 随着下加度数增加,视近调节滞后量逐渐减少,而内隐斜量逐渐变小并向外隐斜方向变化;不同下加条件下调节滞后量[F(262.76,4),P<0.01]以及隐斜度[F(223.45,4),P<0.01]都存在统计学差异;内隐斜患者的最适下加与初始调节滞后存在线性相关性(r=0.526,P<0.01),且最适下加与初始隐斜状态也存在线性相关性(r=0.523,P<0.01).结论 根据青少年近视眼患者个体的初始近调节滞后量和近隐斜度,可获得适合该患者的视近下加范围,从而为青少年内隐斜近视眼确立个体化视近下加提供参考策略.
目的 探討在青少年近視眼矯正時不同視近下加條件下,調節滯後及隱斜的變化,併構建下加與調節滯後、隱斜間關繫的數學公式,以期得到使調節滯後與隱斜量同時最小的最適視近下加範圍.方法 招募110例單純性近視眼的內隱斜視青少年患者,據MPMVA原則驗光配鏡後依次予以珮戴5種不同下加試鏡片(OD、+0.75D、+1.50D、+2.00D、+2.50D)後測量雙眼視近33 cm的調節反應(Shin-Nippon,日本)以及遮蓋試驗+排稜鏡測量視近隱斜度;採用線性迴歸統計學分析視近下加與調節滯後、隱斜度間關繫.結果 隨著下加度數增加,視近調節滯後量逐漸減少,而內隱斜量逐漸變小併嚮外隱斜方嚮變化;不同下加條件下調節滯後量[F(262.76,4),P<0.01]以及隱斜度[F(223.45,4),P<0.01]都存在統計學差異;內隱斜患者的最適下加與初始調節滯後存在線性相關性(r=0.526,P<0.01),且最適下加與初始隱斜狀態也存在線性相關性(r=0.523,P<0.01).結論 根據青少年近視眼患者箇體的初始近調節滯後量和近隱斜度,可穫得適閤該患者的視近下加範圍,從而為青少年內隱斜近視眼確立箇體化視近下加提供參攷策略.
목적 탐토재청소년근시안교정시불동시근하가조건하,조절체후급은사적변화,병구건하가여조절체후、은사간관계적수학공식,이기득도사조절체후여은사량동시최소적최괄시근하가범위.방법 초모110례단순성근시안적내은사시청소년환자,거MPMVA원칙험광배경후의차여이패대5충불동하가시경편(OD、+0.75D、+1.50D、+2.00D、+2.50D)후측량쌍안시근33 cm적조절반응(Shin-Nippon,일본)이급차개시험+배릉경측량시근은사도;채용선성회귀통계학분석시근하가여조절체후、은사도간관계.결과 수착하가도수증가,시근조절체후량축점감소,이내은사량축점변소병향외은사방향변화;불동하가조건하조절체후량[F(262.76,4),P<0.01]이급은사도[F(223.45,4),P<0.01]도존재통계학차이;내은사환자적최괄하가여초시조절체후존재선성상관성(r=0.526,P<0.01),차최괄하가여초시은사상태야존재선성상관성(r=0.523,P<0.01).결론 근거청소년근시안환자개체적초시근조절체후량화근은사도,가획득괄합해환자적시근하가범위,종이위청소년내은사근시안학립개체화시근하가제공삼고책략.
Objective To discuss accommodative lag and near phofia varying with the near addition lenses and establish the mathematic equations of near adds and accommodative lag,near phoria respectively in order to getting the optimal adds,which would create the least error in accommodative and convergence responses.Methods To measure accommodative lag by Shin-Nippon and near phoria by Cover Test in 33 cm after providing 0D,+0.75 D,+1.50D,+2.00D,+2.50D five near adds orderly to myopes after 110 simple myopes with esophoria have been corrected far vision wholly basing on MPMVA norm;to analyze the relation of near adds and accommodative lag,near phoria by linearity regression.Results While increasing dioptric value of the near adds,accommodative lag and esophoria decrease gradually.Both accommodative lag[F(262.76,4),P < 0.01]and near phoria[F(223.45,4),P < 0.01]show statistically significant difference among the five near adds.There is linearity correlation between the optimal adds and initial accommodative lag(r=0.526,P < 0.01)and between the optimal adds and initial near phoria (r=0.523,P<0.01).Conclusion The range of optimal near adds can be gotten basing on initial accommodative lag and near phoria of myopic individual,so that it can be provided referenced strategy of determining the customized near addition lens for juvenile esophoric myopes.