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Table 5 Reading speed (right words per minute, wpm) with different LVAs

From: Visual rehabilitation of patients with corneal diseases

Best correction

21.4 ± 46

CCTV

 Normal contrast

101.4 ± 43

 Reversed polarity contract

102 ± 36

 Green-on-black contrast

98.8 ± 35

p-EVES

69.8 ± 35

Optical LVA

65.1 ± 42

  1. Unless otherwise stated data are means ±SD or proportions (%) or median [range]
  2. CCTV Closed-circuit television; p-EVES portable electronic vision enhancement systems
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BMC Ophthalmology

ISSN: 1471-2415

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