01 1-1 1-9 1-2 1-10 1-3 1-11 1-4 1-12 1-5 1-13 1-6 1-14 1-7 1-15 1-8
1-1 (Visual Acuity, VA) (visual acuity) 1. 1-1- 1(a) 2. 1-1-1(b) 3. 1-1-1(c) (a) (Snellen) (b) 1-1-1 (c) 2
UNIT 1-1 1. (1) (2) 5 6 m (3) (4) 1.0 2. (1) (2) 40 cm (3) 1. (1) (2) (3) (4) (5) 3~4 (6) 0.1 (7) 3
A. (CF) 40 cm B. (HM) 40 cm C. (LProj) 50 9 D. (LP) 2. (1) (2) (3) (4) 1~3 V sc VA sc V cc VA cc CL 4
UNIT 1-1 2. OD OS OU 3. (@D) (@N) 4. 0.8 0.8-2 0.7 +2 5. 6. 0.1 =0.1 6 7. (1) (CF) (cm) (2) (HM) (cm) (3) (LProj) + (4) (LP)(NLP) 1. VA c OD 20/40 +1 20/30 @N OS 20/25-2 20/40 +2 @N(read very slowly) OU 20/30 2. VA cc OD FC/40cm FC@40cm OS NLP 5
3. VA sc OD HM/20cm HM@20cm OS LProj VA cc OD 20/20 @D 20/20@N OS 20/20 @D 20/20@N OU 20/20 @D 20/20@N 1. 85~320 cd/m 2 2. 3 100 5 100 10 100 20 100 Snellen 6 m 6 m 0 6
UNIT 1-1 6 m 1-1-2 1-1-2 (mm) (m) 0.1 10 1.0 1 87.27 6 72.73 5 43.64 3 5.82 0.4 8.73 6 7.27 5 4.36 3 0.58 0.4 7
E mm m (VA) 1-1-3 VA = 1 xmm ( ) 1 12 tan 1,000 ( m ) x (mm) (m) 1-1-3 8
UNIT 1-1 VA sc VA cc (@D) @N OD OS OU 9
1-2 (Pinhole Visual Acuity) (visual acuity) 1. 1-2-1(a) 2. 1.0mm 1.5mm 1-2-1(b) 3. 1-2-1(c) 4. 1-2-1(d) (a) (b) (c) (d) 1-2-1 10
UNIT 1-2 1. 2. 3. 1. 2. 3. 4. 1. PH 2. PHNI (PH no improve) 1. VA cc OD 20/50 +2 PH 20/30 +2 OS 20/40 PH 20/25 2. VA sc OD 20/40 +1 PHNI OS 20/100 PH 20/50 11
1. 1-2-2 2. 20/30(0.6) 3. 4. 6/12 5. 1-2-2 12
UNIT 1-2 VA sc VA cc OD PH OS PH OU PH 13
1-3 (Push Up Method) (amplitude of accommodation, A. A.) 1. 1-3-1(a) 2. 1-3-1(b) 3. 1-3-1(c) (a) (b) (c) 1-3-1 14
UNIT 1-3 1. 2. 3. 1. 2. 3. 4. 50cm 5 cm/sec 1-3-2 1-3-2 5. 6. 7. (diopter) (A.A.) 15
8. 2~7 9. 10. 1. (push up) 2. (D) 3. 1. A.A. (push up) OD 7D OS 7D 2. A.A. (push up) OD 6D OS 6D (Hofstetter s) 1-3-3 1. =15 0.25 2. =18.5 0.3 3. =25 0.4 16
UNIT 1-3 1-3-3 A B C 17
(push up method) (OD) (OS) (OU) (push-in) 1 cm cm cm 2 cm cm cm 3 cm cm cm cm cm cm (A. A.) D D D (push-out) 1 cm cm cm 2 cm cm cm 3 cm cm cm cm cm cm (A. A.) D D D D D D 18
1-4 (Minus Lens to Blur) UNIT 1-4 (amplitude of accommodation, A. A.) 1. (phoropter) 1-4-1(a) 2. 1-4-1(b) 3. 1-4-1(c) (a) (b) (c) 1-4-1 19
1. 2. 40cm 3. 4. 1. 2. 40cm 3. 4. 1-4-2 5. 1-4-2 20