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Table 4 Correlation of NEI-VFQ 25 subscales and the SF-36

From: Psychometric properties of the 25-item National Eye Institute Visual Function Questionnaire (NEI VFQ-25), Japanese version

  SF-36
  Physical Functioning Role Physical Bodily Pain General Health Vitality Social Functioning Role Emotional Mental Health
General health .308 .220 .305 .658 .473 .234 .233 .310
General vision .225 .266 .125 .164 .176 .116 .200 .231
Near vision* .327 .404 .089 .123 .158 .294 .307 .299
Distance vision* .392 .423 .145 .160 .183 .306 .344 .325
Driving .448 .398 .186 .135 .019 .278 .285 .115
Peripheral vision .195 .363 .279 .184 .253 .236 .238 .265
Color vision .412 .313 .145 .207 .141 .297 .296 .204
Ocular pain .276 .279 .306 .249 .269 .321 .266 .377
Vision-specific         
   Role limitation .340 .418 .173 .200 .200 .292 .376 .332
   Dependency .430 .447 .145 .179 .220 .383 .403 .390
   Social function .362 .405 .123 .118 .145 .313 .359 .294
   Mental health .346 .453 .192 .268 .235 .392 .382 .416
25-item composite .448 .519 .222 .240 .264 .410 .441 .432
  1. *Scores were recomputed after the substitution of items described in the text. Results of the recomputations are in parentheses.