표제지
감사의 글
국문요지
목차
Ⅰ. 서론 8
Ⅱ. 연구대상 및 방법 11
2-1. 연구대상 11
2-1-1. 검사대상자의 일반적 특성 13
2-2. 연구방법 15
2-2-1. 굴절이상의 교정 15
2-2-2. 조절력(Amplitude of accommodation)검사 16
2-2-3. 조절용이성 검사(Accommodative facility test) 16
2-2-4. 상대조절력 검사 16
2-3. 연구 자료 처리 방법 17
Ⅲ. 연구결과 및 고찰 18
3-1. 조절기능의 일일변화 특성 18
3-2. 비노안자와 초기노안자에 따른 조절기능의 일일 변화 26
3-2-1. 조절력의 일일변화 26
3-2-2. 조절용이성의 일일변화 38
3-2-3. 상대조절력의 일일변화 44
3-3. 초기노안 집단의 근업량에 따른 조절기능의 일일변화 56
3-3-1. 조절력의 일일변화 56
3-3-2. 조절용이성의 일일변화 64
3-3-3. 상대조절력의 일일변화 71
Ⅳ. 결론 85
4-1. 조절기능의 일반적 특성 85
4-2. 비노안자와 초기노안자에 따른 조절기능의 일일변화 85
4-3. 초기노안 집단의 근업량에 따른 조절기능의 일일 변화 86
Abstract 88
References 90
Table 1. Distribution of all subjects according to working time at near 12
Table 2. Distribution of all subjects according to groups 14
Table 3. Distribution of all subjects according to emmetropia and ametropia with age 14
Table 4. Ranges of accommodative amplitude and accommodative facility in oculus dexter 19
Table 5. Ranges of NRA(negative relative accommodation) and PRA(positive relative accommodation) in oculus uterque 19
Table 6. Ranges of accommodative amplitude and accommodative facility for each nonpresbyopia and incipient presbyopia group in oculus dexter 21
Table 7. Ranges of NRA and PRAfor each nonpresbyopia and incipient presbyopia group in oculus uterque 21
Table 8. Ranges of accommodative amplitude and accommodative facility for each group in oculus dexter 24
Table 9. Ranges of NRA and PRA for each groups in oculus uterque 25
Table 10. Diurnal changes of accommodative amplitude by push-up method 27
Table 11. Pearson's correlations of accommodative amplitude by push-up method between morning, noon and afternoon for each nonpresbyopia and incipient presbyopia group in oculus dexter 30
Table 12. Diurnal changes of accommodative amplitude by minus lens to blur technique 33
Table 13. Pearson's correlations of accommodative amplitude by minus lens to blur technique between morning, noon and afternoon for each nonpresbyopia and incipient presbyopia group in oculus dexter 36
Table 14. Diurnal changes of accommodative facility foreach nonpresbyopia and incipient presbyopia group 39
Table 15. Pearson's correlations of accommodative facility between morning, noon and afternoon foreach nonpresbyopia and incipient presbyopia group in oculus dexter 42
Table 16. Diurnal changes of NRA for each nonpresbyopia and incipient presbyopia group 45
Table 17. Pearson's correlations of NRA between morning, noon and afternoon for each nonpresbyopia and incipient presbyopia group 48
Table 18. Diurnal changes of PRA for each nonpresbyopia and incipient presbyopia group 51
Table 19. Pearson's correlations of PRA between morning, noon and afternoon for each group 54
Table 20. Diurnal changes of accommodative amplitudes for each working group by push-up method 58
Table 21. Pearson's correlations of accommodative amplitudes by push upmethod between morning, noon, and afternoon for each working group in oculus dexter 61
Table 22. Diurnal changes of accommodative facility for each working group 65
Table 23. Pearson's correlations of accommodative facility between morning, noon, and afternoon for each working group in oculus dexter 68
Table 24. Diurnal changes of NRA for each working group 72
Table 25. Pearson's correlations of NRA between morning, noon, and afternoon for each working group 75
Table 26. Diurnal changes of PRA for each working group 79
Table 27. Pearson's correlations of PRA between morning, noon, and afternoon for each working group 82
Fig. 1. Diurnal variation of accommodative amplitude by push-up method for each group in oculus dexter(a) and oculus uterque(b). 28
Fig. 2. Correlation of accommodative amplitude by push-up method between examination times for nonpresbyopia in oculus dexter. 31
Fig. 3. Correlation of accommodative amplitude by push-up method between examination times for incipient presbyopia in oculus dexter. 31
Fig. 4. Diurnal variation of accommodative amplitude by minus lens to blur technique for each nonpresbyopia and incipient presbyopia group in oculus dexter(a) and oculus uterque(b). 34
Fig. 5. Correlation of accommodative amplitude by minus lens to blue technique between examination times for nonpresbyopia in oculus dexter. 37
Fig. 6. Correlation of accommodative amplitude by minus lens to blue technique between examination times for incipient presbyopia in oculus dexter. 37
Fig. 7. Diurnal variation of accommodative facility for each group in oculus dexter(a) and oculus uterque(b). 40
Fig. 8. Correlation of accommodative facility between examination times for nonpresbyopia in oculus dexter. 43
Fig. 9. Correlation of accommodative facility between examination times for incipient presbyopia in oculus dexter. 43
Fig.10. Diurnal variation of NRA for each group. 46
Fig. 11. Correlation of NRA between examination times for nonpresbyopia. 49
Fig. 12. Correlation of NRA between examination times for incipient presbyopia. 49
Fig. 13. Diurnal variation of PRA for each group. 52
Fig. 14. Correlation of PRA between examination times for nonpresbyopia. 55
Fig. 15. Correlation of PRA between examination times for incipient presbyopia. 55
Fig. 16. Diurnalvariation of push up method foreach working group in oculus dexter. 59
Fig. 17. Correlation of accommodative amplitude by push-up method between examination times for group I in oculus dexter. 62
Fig. 18. Correlation of accommodative amplitude by push-up method between examination times for group II in oculus dexter. 62
Fig. 19. Correlation of accommodative amplitude by push-up method between examination times for group III in oculus dexter. 63
Fig. 20. Correlation of accommodative amplitude by push-up method between examination times for group IV in oculus dexter. 63
Fig. 21. Diurnal variation of accommodative facility for each working group in oculus dexter. 66
Fig. 22. Correlation of accommodative facility between examination times for group I in oculus dexter. 69
Fig. 23. Correlation of accommodative facility between examination times for group II in oculus dexter. 69
Fig. 24. Correlation of accommodative facility between examination times for group III in oculus dexter. 70
Fig. 25. Correlation of accommodative facility between examination times for group IV in oculus dexter. 70
Fig. 26. Diurnal variation of NRA for working. 73
Fig. 27. Correlation of NRA between examination times for groupⅠ. 76
Fig. 28. Correlation of NRA between examination times for group II. 76
Fig. 29. Correlation of NRA between examination times for group III. 77
Fig. 30. Correlation of NRA between examination times for group IV. 77
Fig. 31. Diurnal variation of PRA for each working group. 80
Fig. 32. Correlation of PRA between examination times for groupⅠ. 83
Fig. 33. Correlation of PRA between examination times for group II. 83
Fig. 34. Correlation of PRA between examination times for group III. 84
Fig. 35. Correlation of PRA between examination times for group IV. 84