Investigators planned to investigate changes in visual function after wearing decorative tinted soft contact lenses with different pigment-free optical zone diameters.
Study Type
INTERVENTIONAL
Allocation
NA
Masking
NONE
Enrollment
30
tinted contact lens, daily-wear tinted lens
clear lens
Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine
Seoul, South Korea
score of best-corrected visual acuity (BCVA)
Time frame: 1 day
Total score of ocular higher-order aberrations
ocular higher-order aberrations measured by iTrace (Tracey Technologies, Houston, Texas, USA; software V.4.1.0)
Time frame: 1 day
contrast sensitivity with tinted lense
contrast sensitivity measured by Optec 6500 test system (Stereo Optical Co, Chicago, Illinois, USA) at five spatial frequencies (1.5, 3, 6, 12 and 18 cycles/degree (cpd)) under photopic (luminance value of 85 candelas/square metre (cd/m2)) and mesopic conditions (target luminance value of 3 cd/m2) with or without glare after wearing clear lens and tinted lenses with different pigment-free optical zone diameters (4, 5 and 6 mm).
Time frame: 1 day
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