1. Silbert JA. Comfort, convenience and acuity. Understanding factors leading to contact lens success. Supp to CL Spectrum; September 1996.
2. A multi-centre study of lapsed contact lens wearers;Young;Ophthal Physiol Opt,2002
3. Profile of contact lens failures in Saudi Arabia;Briggs;Clin Exp Optom,1996
4. Discontinuation of contact lens wear: a survey;Pritchard;ICLC,1999
5. A study of contact lens failures;Schlanger;J Am Optom Assoc,1993