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Br J Ophthalmol 82:1372-1376 doi:10.1136/bjo.82.12.1372
  • Original Article
    • Clinical science

Difficulty in performing everyday activities in patients with juvenile macular dystrophies: comparison with patients with retinitis pigmentosa

Table 2

Percentage of subjects with juvenile macular dystrophy or retinitis pigmentosa responding to activities at each level of difficulty

Activity χ2 df p Value Level of difficulty Did not perform for non-visual reasons Group
None Mild Moderate Extreme Not able
Activities involving central vision:
 Threading a needle 32.8 4 0.001 2.8 12.5 1.4 13.9 45.8 23.6 JMD
20.0 15.0 13.3 5.0 18.3 28.3 RP
 Reading street signs at night 57.7 4 0.001 0.0 9.7 15.3 12.5 62.5 0.0 JMD
14.2 25.0 27.5 20.0 11.7 1.7 RP
 Reading directions on medicine bottles 59.9 4 0.001 8.3 12.5 15.3 19.4 44.4 0.0 JMD
39.2 28.3 13.3 11.7 4.2 3.3 RP
 Reading ingredients on cans of food 88.4 4 0.001 6.9 8.3 15.3 19.4 45.8 4.2 JMD
51.7 25.0 12.5 4.2 2.5 4.2 RP
 Reading street signs during the day 79.1 4 0.001 2.8 11.1 26.4 20.8 38.9 0.0 JMD
39.2 33.3 19.2 5.8 2.5 0.0 RP
 Seeing faces across a street 67.6 4 0.001 2.8 11.1 5.6 0.0 79.2 1.4 JMD
40.0 25.8 10.0 2.5 20.8 0.8 RP
 Reading ordinary newspaper print 84.9 4 0.001 5.6 19.4 15.3 8.3 50.0 1.4 JMD
55.0 29.2 10.0 1.7 3.3 0.8 RP
 Playing cards 49.0 4 0.001 19.4 33.3 12.5 5.6 16.7 12.5 JMD
59.2 11.7 5.0 5.8 0.0 18.3 RP
 Reading numbers on TV screen 56.8 4 0.001 19.4 29.2 20.8 5.6 23.6 1.4 JMD
70.8 20.0 5.8 0.8 2.5 0.0 RP
 Finding destination/unfamiliar buildings 21.8 3 0.001 15.3 37.5 29.2 16.7 0.0 1.4 JMD
46.7 31.7 14.2 7.5 0.0 0.0 RP
Mobility:
Finding a seat in a movie theatre 35.5 3 0.001 45.8 18.1 8.3 13.9 0.0 13.9 JMD
11.7 12.5 28.3 30.0 0.0 17.5 RP
 Finding particular items in a store 8.7 3 0.034 31.9 29.2 18.1 5.6 0.0 15.3 JMD
51.7 25.0 7.5 5.0 0.0 10.8 RP
 Walking outdoors at night 35.9 4 0.001 52.8 18.1 11.1 2.8 13.9 1.4 JMD
14.2 24.2 25.8 15.0 18.3 2.5 RP
 Participating in social gatherings 4.0 4 0.408 51.4 29.2 13.9 0.0 2.8 2.8 JMD
41.7 33.3 19.2 2.5 1.7 1.7 RP
 Walking through shopping malls 27.9 4 0.001 70.8 13.9 11.1 2.8 1.4 0.0 JMD
31.7 29.2 22.5 9.2 6.7 0.8 RP
Negotiating steps:
Walking down steps in dim light 42.6 4 0.001 45.8 29.2 2.8 0.0 20.8 1.4 JMD
11.7 17.5 22.5 6.7 34.2 7.5 RP
 Walking down steps during daylight 18.4 4 0.001 62.5 22.2 2.8 0.0 11.1 1.4 JMD
34.2 24.2 12.5 5.8 18.3 5.0 RP
Driving:
Driving at night 5.3 4 0.259 5.6 9.7 5.6 1.4 13.9 63.9 JMD
11.7 18.3 16.7 13.3 16.7 23.3 RP
 Driving during the day 15.0 4 0.005 5.6 23.6 2.8 2.8 1.4 63.9 JMD
37.5 29.2 10.0 1.7 0.0 21.7 RP
 Driving in unfamiliar areas 10.2 4 0.038 0.0 11.1 11.1 2.8 8.3 66.7 JMD
15.0 30.8 12.5 6.7 8.3 26.7 RP
Eating:
Eating meals 1.8 2 0.420 88.9 9.7 1.4 0.0 0.0 0.0 JMD
86.7 8.3 5.0 0.0 0.0 0.0 RP
Miscellaneous:
Writing checks 36.4 4 0.001 40.3 16.7 5.6 6.9 12.5 18.1 JMD
83.3 5.0 1.7 0.8 1.7 7.5 RP
 Engaging in physical exercise 2.8 4 0.587 65.3 19.4 4.2 0.0 4.2 6.9 JMD
62.5 23.3 7.5 0.8 1.7 4.2 RP
 Watching a movie at a theatre 3.1 4 0.537 47.2 22.2 11.1 5.6 8.3 5.6 JMD
48.3 16.7 14.2 1.7 6.7 12.5 RP
 Using a ruler 46.0 4 0.001 23.6 27.8 23.6 8.3 9.7 6.9 JMD
70.0 14.2 5.8 2.5 0.8 6.7 RP
 Walking outdoors during the day 2.3 4 0.682 68.1 20.8 8.3 1.4 1.4 0.0 JMD
73.3 16.7 8.3 0.0 1.7 0.0 RP
 Preparing meals 8.7 2 0.013 59.7 29.2 8.3 0.0 0.0 2.8 JMD
78.3 14.2 4.2 0.0 0.0 3.3 RP
 Grooming 5.4 3 0.144 76.4 20.8 2.8 0.0 0.0 0.0 JMD
85.0 10.0 3.3 1.7 0.0 0.0 RP
 Using a screwdriver 23.3 4 0.001 47.2 26.4 15.3 1.4 1.4 8.3 JMD
70.0 11.7 1.7 5.0 0.8 10.8 RP
 Using escalators 6.2 3 0.104 86.1 8.3 1.4 0.0 4.2 0.0 JMD
70.0 19.2 4.2 0.0 5.0 1.7 RP
 Watching television 40.0 4 0.001 36.1 31.9 20.8 9.7 1.4 0.0 JMD
80.0 12.5 6.7 0.8 0.0 0.0 RP
 Grocery shopping 15.3 4 0.004 27.8 36.1 13.9 5.6 6.9 9.7 JMD
56.7 20.8 9.2 1.7 6.7 5.0 RP
 Using public transport 11.9 4 0.018 25.0 26.4 15.3 8.3 2.8 22.2 JMD
40.8 15.0 9.2 1.7 1.7 31.7 RP

  • ↵JMD = juvenile macular dystrophy; RP = retinitis pigmentosa.

  • ↵0.01<p⩽0.05.

  • ↵p⩽0.01.

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