Skip to main content

Table 5 Causes of visual impairment in better eye after best correction

From: Prevalence and causes of low vision and blindness in an elderly population in Nepal: the Bhaktapur retina study

Cause

Unilateral low vision (Number/Percent)

Bilateral low vision

(Number/Percent)

Unilateral blindness (Number/Percent)

Bilateral blindness (Number/Percent)

Cataract

364 (76.15)

290 (68.07)

65(55.08)

13 (43.33)

Retinal disorders

100 (20.92)

122 (28.64)

38 (32.20)

14(46.66)

Corneal scar

5 (1.04)

4(5.63)

3 (2.54)

1(3.33)

Glaucoma

4 (0.84)

3 (0.70)

2 (1.69)

 

Optic atrophy

 

2 (0.47)

 

1 (3.33)

PCO

4 (0.84)

3 (0.70)

 

1 (3.33)

Asteroid hyalosis

1(0.20)

2 (0.47)

  

Secondary glaucoma

  

2 (1.69)

 

Phthisis bulbi

  

5 (4.24)

 

Amblyopia

  

2 (1.69)

 

Advanced pterygium

  

1 (0.85)

 

Total

478 (25.69% of all)

426 (22.9% of all)

118 (6.34% of all)

30 (1.61% of all)

  1. Best corrected visual acuity (BCVA) in better eye measured in LogMAR
  2. Low vision (< 0.3 LogMAR ≥1.3 LogMAR), Blindness (> 1.3 LogMAR)
  3. Abbreviation: PCO Posterior Sub capsular Cataract