中国实用眼科杂志
中國實用眼科雜誌
중국실용안과잡지
CHINESE JOURNAL OF PRACTICAL OPHTHALMOLOGY
2010年
4期
351-355
,共5页
王柏敏%余敏斌%李劲嵘%林羡钗%向晖
王柏敏%餘敏斌%李勁嶸%林羨釵%嚮暉
왕백민%여민빈%리경영%림이차%향휘
计算机终端%休息方案%调节%聚散功能
計算機終耑%休息方案%調節%聚散功能
계산궤종단%휴식방안%조절%취산공능
Computer terminal%Work-rest schedule%Accommodation%Vergence
目的 研究使用计算机终端及不同的休息方案对调节、聚散功能的影响.方法 30名受试者均接受5种不同阅读方案:(1)连续计算机终端阅读2h后休息10min.(2)连续书本阅读2h后休息10min.(3)连续计算机终端阅读1h后休息10min(休息1方案).(4)计算机终端阅读总时间1h,每30min间隔休息5min(休息2方案).(5)计算机终端阅读总时间1h,每15min间隔休息2min(休息3方案).每次阅读前后分别查眼部屈光、调节反应(调节滞后度)、单眼调节幅度、聚散功能(集合近点、调节性集合/调节[accommodative convergence/accommodation,AC/A]、远近距水平隐斜、远近距融像性水平聚散力).结果 (1)连续2h计算机终端阅读后较书本阅读更易出现调节滞后值增加、调节幅度下降、集合近点远移、近距水平外隐斜增加内隐斜减小、近距融像性水平聚合力减弱(P＜0.05).(2)连续计算机终端阅读2h较1h更易出现调节滞后值增加、调节幅度下降、集合近点远移(P＜0.05).(3)调节滞后值、调节幅度、集合近点、近距离水平内外隐斜在三种休息方案之间的差异具有统计学意义(P＜0.05),休息3方案优于其它方案.结论 使用计算机终端阅读较书本阅读更易对调节、聚散功能产生影响,且随时间的不同出现差异.三种不同休息方案比较,每使用计算机终端阅读15min间隔休息2min对调节、聚散功能影响最小.
目的 研究使用計算機終耑及不同的休息方案對調節、聚散功能的影響.方法 30名受試者均接受5種不同閱讀方案:(1)連續計算機終耑閱讀2h後休息10min.(2)連續書本閱讀2h後休息10min.(3)連續計算機終耑閱讀1h後休息10min(休息1方案).(4)計算機終耑閱讀總時間1h,每30min間隔休息5min(休息2方案).(5)計算機終耑閱讀總時間1h,每15min間隔休息2min(休息3方案).每次閱讀前後分彆查眼部屈光、調節反應(調節滯後度)、單眼調節幅度、聚散功能(集閤近點、調節性集閤/調節[accommodative convergence/accommodation,AC/A]、遠近距水平隱斜、遠近距融像性水平聚散力).結果 (1)連續2h計算機終耑閱讀後較書本閱讀更易齣現調節滯後值增加、調節幅度下降、集閤近點遠移、近距水平外隱斜增加內隱斜減小、近距融像性水平聚閤力減弱(P＜0.05).(2)連續計算機終耑閱讀2h較1h更易齣現調節滯後值增加、調節幅度下降、集閤近點遠移(P＜0.05).(3)調節滯後值、調節幅度、集閤近點、近距離水平內外隱斜在三種休息方案之間的差異具有統計學意義(P＜0.05),休息3方案優于其它方案.結論 使用計算機終耑閱讀較書本閱讀更易對調節、聚散功能產生影響,且隨時間的不同齣現差異.三種不同休息方案比較,每使用計算機終耑閱讀15min間隔休息2min對調節、聚散功能影響最小.
목적 연구사용계산궤종단급불동적휴식방안대조절、취산공능적영향.방법 30명수시자균접수5충불동열독방안:(1)련속계산궤종단열독2h후휴식10min.(2)련속서본열독2h후휴식10min.(3)련속계산궤종단열독1h후휴식10min(휴식1방안).(4)계산궤종단열독총시간1h,매30min간격휴식5min(휴식2방안).(5)계산궤종단열독총시간1h,매15min간격휴식2min(휴식3방안).매차열독전후분별사안부굴광、조절반응(조절체후도)、단안조절폭도、취산공능(집합근점、조절성집합/조절[accommodative convergence/accommodation,AC/A]、원근거수평은사、원근거융상성수평취산력).결과 (1)련속2h계산궤종단열독후교서본열독경역출현조절체후치증가、조절폭도하강、집합근점원이、근거수평외은사증가내은사감소、근거융상성수평취합력감약(P＜0.05).(2)련속계산궤종단열독2h교1h경역출현조절체후치증가、조절폭도하강、집합근점원이(P＜0.05).(3)조절체후치、조절폭도、집합근점、근거리수평내외은사재삼충휴식방안지간적차이구유통계학의의(P＜0.05),휴식3방안우우기타방안.결론 사용계산궤종단열독교서본열독경역대조절、취산공능산생영향,차수시간적불동출현차이.삼충불동휴식방안비교,매사용계산궤종단열독15min간격휴식2min대조절、취산공능영향최소.
Objective To evaluate the effects of work-rest schedules on accommodation,vergence for computer terminal reader.Methods Thirty participants underwent 5 reading assignments: (1) 2-hour continuous computer-hased reading,followed by 10 minutes rest; (2) 2-hour continuous book-based reading,followed by 10 minutes rest; (3) 1 hour continuous computer-based reading followed by 10 minutes rest (work-rest schedule 1,WS1); (4) 1-hour computer-based reading with a 5-min break in every 30 mins (WS2); (5) 1-hour computer-based reading with a 2-min break in every 15 mins (WS3).On the same day before and after assignment,non-Cycioplegic refraction,lag of accommodation (LA),accommodation amplitude (AA),and vergence (including near point of convergence [NPC],horizontal phoria [HP] at near [HP-N]and far [HP-F] distance,and horizontal fusionai vergence [HFV] at near and far distance,accommodative convergence/accommodation[AC/A]) were measured.Results People with reading assignment 1 were more likely to have increased LA,NPC,horizontal exophoria at near distance (HP-N exo),and decreased AA,horizontal esophoria at near distance (HP-N eso),horizonta fusional convergence at near distance (HFC-N) than did people with reading assignment 2 (P＜0.05).These changes but HP and HFC-N were more profound in people with assignment 1 than in people with assignment 3 (WS1) (all with P＜0.05).These changes but HFCN were seen in people with WS1/WS2 than in people with WS3 (all with P＜0.05).Conclusions Computer-based reading is more likely to affect accommodation and vergence than book-based reading.The impacts increase with longer reading time.Compared with WS1 and WS2,WS3 is the optimal reading schedule with least impact on accommodation and vergence.
