Characteristics

N

%

Age

18 - 50

Above 50

74

66

52.86

47.14

Sex

Female

Male

74

66

52.86

47.14

Snellen VA

≤0.48 LogMAR

>0.48 LogMAR

128

12

91.43

8.57

PEEK VA Smartphone

≤0.48 LogMAR

>0.48 LogMAR

129

11

92.14

7.86

Refractive error spherical

<+2.00 diopters

+2 to +4.75 diopters

≤ 1.5 diopters

−1.5 to −6.0

Error

63

4

40

3

30

45

2.9

28.6

2.1

21.4

Refractive error cylindrical

<+2.00 diopters

+2 to +4.75 diopters

≤ 1.5 diopters

−1.5 to −6.0

Error

9

1

96

8

26

6.4

0.7

68.6

5.7

18.6

IOP

<9 mmhg

9 - 21 mmhg

>21 mmhg

1

135

4

0.71

96.43

2.86

PEEK Smartphone Contrast sensitivity

≤2.5%

>2.5%

48

92

34.28

65.71

PEEK Smartphone Amsler grid

no scotoma

1 or more scotoma

89

51

63.57

36.43

PEEK Smartphone Amsler grid severity

Mild - no scotoma

Moderate - one scotona in one quadrant

Severe - scotoma in more than one quadrant

89

12

39

63.6

8.6

27.9

PEEK retina smartphone

≥0.7 VCDR

<0.7 VCDR

61

79

43.6

56.4

Slit lamp biomicroscopy

≥0.7 VCDR

<0.7 VCDR

62

78

44.29

55.71

Humphrey visual fieldanalyzer

Outside normal limits is abnormal

Within normal limits is normal

67

73

47.86

52.14

Humphrey visual field analyzer 10 - 2 severity

Mild - no scotoma

Moderate - one scotona in one quadrant

Severe - scotoma in more than one quadrant

111

1

28

79.3

0.7

20

mean deviation

≤2 dB abnormal

≥2 dB normal

91

49

65.00

35.00