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Optometry and Vision Science : Official Publication of the American Academy of Optometry|January 1, 1995
The relation between invasive and noninvasive tear break-up timeP Cho, W DouthwaiteContact Lens & Anterior Eye : the Journal of the British Contact Lens Association|November 24, 2005
Clinical performance of polynomial lenses versus tri-curve lenses. II: ocular responsesS W Cheung, P Cho, W DouthwaiteContact Lens & Anterior Eye : the Journal of the British Contact Lens Association|November 24, 2005
Clinical performance of polynomial lenses versus tri-curve lenses. I: initial comfortS W Cheung, P Cho, W DouthwaiteOphthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)|June 1, 2000
Corneal shape of Hong Kong-ChineseS W Cheung, P Cho, W DouthwaiteOphthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)|December 9, 1997
Comparison of a videokeratoscope and an autokeratometer as predictors of the optimum back surface curves of rigid corneal contact lensesW Douthwaite, S PardhanCornea|May 1, 1995
Accuracy and repeatability of the Topcon K-3500 autokeratometer on calibrated convex surfacesW Douthwaite, S PardhanOphthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)|January 1, 1989
The effect of spatial frequency on binocular contrast inhibitionS Pardhan, J Gilchrist, W DouthwaiteOptometry and Vision Science : Official Publication of the American Academy of Optometry|September 1, 1990
Binocular inhibition: psychophysical and electrophysiological evidenceS Pardhan, J Gilchrist, W Douthwaite, et al.Optometry and Vision Science : Official Publication of the American Academy of Optometry|December 1, 1993
Reliability of a portable noninvasive tear break-up time test on Hong Kong-ChineseP ChoOptometry and Vision Science : Official Publication of the American Academy of Optometry|October 1, 1993
The cotton thread test: a brief review and a clinical study of its reliability on Hong Kong-ChineseP ChoPageof 29