1. Response to a dry eye questionnaire from a normal population;McMonnies;J Am Optom Assoc,1987
2. Ocular fatigue is the major symptom of dry eye;Toda;Acta Ophthalmol (Copenh),1993
3. Contrast sensitivity testing;Jindra;J Cataract Refract Surg,1989
4. Contrast sensitivity, acuity, and the perception of ‘real world’ targets;Owsley;Br J Ophthalmol,1987
5. Impairment of contrast sensitivity function (CSF) as a measure of disability glare;Abrahamsson;Invest Ophthalmol Vis Sci,1986