[1. Woods RL, Wood JM. The role of contrast sensitivity charts and contrast letter charts in clinical practice. Clin Exp Optom. 1995; 78:43-57.10.1111/j.1444-0938.1995.tb00787.x]Open DOISearch in Google Scholar
[2. Rosenfield M, Logan N. Optometry: science, techniques and clinical management. Elsevier, China; 2009.]Search in Google Scholar
[3. Crossland MD, Culham LE, Rubin GS. Predicting reading fluency in patients with macular disease. Optom Vis Sci. 2005; 82:11-7.]Search in Google Scholar
[4. Whittaker SG, Lovie-Kitchin J. Visual requirements for reading. Optom Vis Sci. 1993; 70:54-65.10.1097/00006324-199301000-000108430009]Search in Google Scholar
[5. Marron JA, Bailey IL. Visual factors and orientationmobility performance. Am J Optom Physiol Opt. 1982; 59:413-26.10.1097/00006324-198205000-000097102800]Open DOISearch in Google Scholar
[6. Owsley C, Ball K, McGwin G, Jr., Sloane ME, Roenker DL, White MF, et al. Visual processing impairment and risk of motor vehicle crash among older adults. JAMA. 1998; 279:1083-8.10.1001/jama.279.14.10839546567]Open DOISearch in Google Scholar
[7. Bullimore MA, Bailey IL, Wacker RT. Face recognition in age-related maculopathy. Invest Ophthalmol Vis Sci. 1991; 32:2020-9.]Search in Google Scholar
[8. Haymes SA, Johnston AW, Heyes AD. Relationship between vision impairment and ability to perform activities of daily living. Ophthalmic Physiol Opt. 2002; 22:79-91.10.1046/j.1475-1313.2002.00016.x12014491]Search in Google Scholar
[9. West SK, Rubin GS, Broman AT, Munoz B, Bandeen- Roche K, Turano K. How does visual impairment affect performance on tasks of everyday life? The SEE Project. Salisbury Eye Evaluation. Arch Ophthalmol. 2002; 120:774-80.10.1001/archopht.120.6.77412049583]Search in Google Scholar
[10. Elliott DB, Hurst MA. Simple clinical techniques to evaluate visual function in patients with early cataract. Optom Vis Sci. 1990; 67:822-5.10.1097/00006324-199011000-000062250890]Search in Google Scholar
[11. Rubin GS, Adamsons IA, Stark WJ. Comparison of acuity, contrast sensitivity, and disability glare before and after cataract surgery. Arch Ophthalmol. 1993; 111: 56-61.10.1001/archopht.1993.010900100600278424725]Search in Google Scholar
[12. Hawkins AS, Szlyk JP, Ardickas Z, Alexander KR, Wilensky JT. Comparison of contrast sensitivity, visual acuity, and Humphrey visual field testing in patients with glaucoma. J Glaucoma. 2003; 12:134-8.10.1097/00061198-200304000-00008]Open DOISearch in Google Scholar
[13. Ghaith AA, Daniel J, Stulting RD, Thompson KP, Lynn M. Contrast sensitivity and glare disability after radial keratotomy and photorefractive keratectomy. Arch Ophthalmol. 1998; 116:12-8.10.1001/archopht.116.1.129445203]Search in Google Scholar
[14. Stavrou EP, Wood JM. Letter contrast sensitivity changes in early diabetic retinopathy. Clin Exp Optom. 2003; 86:152-6.10.1111/j.1444-0938.2003.tb03097.x]Open DOISearch in Google Scholar
[15. Trobe JD, Beck RW, Moke PS, Cleary PA. Contrast sensitivity and other vision tests in the optic neuritis treatment trial. Am J Ophthalmol. 1996; 121:547-53.10.1016/S0002-9394(14)75429-7]Open DOISearch in Google Scholar
[16. Owsley C. Contrast sensitivity. Ophthalmol Clin North Am. 2003; 16:171-7.10.1016/S0896-1549(03)00003-8]Search in Google Scholar
[17. Arditi A. Improving the design of the letter contrast sensitivity test. Invest Ophthalmol Vis Sci. 2005; 46: 2225-9.10.1167/iovs.04-1198]Search in Google Scholar
[18. Dougherty BE, Flom RE, Bullimore MA. An evaluation of the Mars Letter Contrast Sensitivity Test. Optom Vis Sci. 2005; 82:970-5.10.1097/01.opx.0000187844.27025.ea]Search in Google Scholar
[19. Haymes SA, Roberts KF, Cruess AF, Nicolela MT, LeBlanc RP, Ramsey MS, et al. The letter contrast sensitivity test: clinical evaluation of a new design. Invest Ophthalmol Vis Sci. 2006; 47:2739-45.10.1167/iovs.05-1419]Search in Google Scholar
[20. Elliott DB, Sanderson K, Conkey A. The reliability of the Pelli-Robson contrast sensitivity chart. Ophthalmic Physiol Opt. 1990; 10:21-4.10.1111/j.1475-1313.1990.tb01100.x]Search in Google Scholar
[21. Mantyjarvi M, Laitinen T. Normal values for the Pelli-Robson contrast sensitivity test. J Cataract Refract Surg. 2001; 27:261-6.10.1016/S0886-3350(00)00562-9]Search in Google Scholar
[22. Pelli DG, Robson JG, Wilkins AJ. The design of a new letter chart for measuring contrast sensitivity chart. Clin Vision Sci. 1988; 2:187-99.]Search in Google Scholar
[23. Thayaparan K, Crossland MD, Rubin GS. Clinical assessment of two new contrast sensitivity charts. Br J Ophthalmol. 2007; 91:749-52.10.1136/bjo.2006.109280]Open DOISearch in Google Scholar
[24. Khambhiphant B, Tulvatana W, Busayarat M. The new numbers contrast sensitivity chart for contrast sensitivity measurement. J Optom. 2011; 4: 128-33.10.1016/S1888-4296(11)70054-1]Open DOISearch in Google Scholar
[25. Bland JM. How can I decide the sample size for a repeatability study? [cited 2014 Jun 16] Available from: http://www-users.york.ac.uk/~mb55/meas/ sizerep.htm.]Search in Google Scholar
[26. World Health Organization. The management of low vision in children: report of a WHO consultation, Bangkok, 23-24 July 1992. WHO: Geneva.]Search in Google Scholar
[27. The Mars Perceptrix Corporation. Mars log contrast sensitivity test scores and degree of loss. [cited 2014 Jun 16] Available from: http://www.marsperceptrix.com.]Search in Google Scholar
[28. Haymes SA, Chen J. Reliability and validity of the Melbourne Edge Test and High/Low Contrast Visual Acuity Chart. Optom Vision Sci. 2004; 81:308-16.10.1097/01.opx.0000134904.21274.db15181355]Search in Google Scholar
[29. Kiser AK, Mladenovich D, Eshraghi F, Bourdeau D, Dagnelie G. Reliability and consistency of visual acuity and contrast sensitivity measures in advanced eye disease. Optom Vision Sci. 2005; 82:946-54.10.1097/01.opx.0000187863.12609.7b16317369]Search in Google Scholar