1. Bird AC. Retinal photoreceptor dystrophies. Am J Ophthalmol. 1995. 119:543–562.
2. Massof RW, Dagnelie G, Benzschawei T, et al. First order dynamics of visual field loss in retinitis pigmentosa. Clin Vis Sci. 1990. 5:1–26.
3. Szlyk JP, Fishman GA, Alexander KR, et al. Relationship between difficulty in performing daily activities and clinical measures of visual function in patients with retinitis pigmentosa. Arch Ophthalmol. 1997. 115:53–59.
4. Turano KA, Geruschat DR, Stahl JW, Massof RW. Perceived visual ability for independent mobility in persons with retinitis pigmentosa. Invest Ophthalmol Vis Sci. 1999. 40:865–877.
5. Szlyk JP, Seiple W, Fishman GA, et al. Perceived and actual performance of daily tasks:relationship to visual function tests in individuals with retinitis pigmentosa. Ophthalmology. 2001. 108:65–75.
6. Virgili G, Pierrottet C, Parmeggiani F, et al. Reading performance in patients with retinitis pigmentosa:a study using the MNREAD charts. Invest Ophthalmol Vis Sci. 2004. 45:3418–3424.
7. Mangione CM, Lee PP, Pitts J, et al. Psychometric property of National Eye Institute Visual Function Questionnaire (NEI-VFQ). Arch Ophthalmol. 1998. 116:1496–1504.
8. Mangione CM, Lee P, Guiterrez PR, et al. Development of the 25-item National Eye Institute Visual Function Questionnaire. Arch Ophthamol. 2001. 119:1050–1058.
9. Fuhr PSW, Holmes LD, Fletcher DC, et al. The AMA Guides functional vision score is a better predictor of vision-targeted quality of life than traditional measurement of visual acuity or visual field extent. Visual Impairment Research. 2003. 137–146.
10. International Society for Low Vision Research and Rehabilitation. Guide for the evaluation of visual impairment. 1999. San Francisco: Pacific Vision Foundation;3–31.
11. Cocchiarella L, Andersson GBJ. American Medical Association. The visual system. Guides to the Evaluation of Permanent Impairment. 2001. 1:5th ed. Chicago: American Medical Association;Chap 12.
12. Szlyk JP, Alexander KR, Severing K, Fishman GA. Assessment of driving performance in patients with retinitis pigmentosa. Arch Ophthalmol. 1992. 110:1709–1713.
13. Fuhr P. Software for calculating functional vision score. Visual Impairment Research. 2003. 5:147–155.
14. Altranferel U, Spaeth GL, Steinmann WC. Assessment of function related to vision. Ophthalmic Epidemiol. 2006. 13:67–80.
15. Rubin GS, Munoz B, Bandeen-Roche K, West SK. Monocular versus binocular visual acuity as measures of vision impairment and predictors of visual disability. Invest Ophthalmol Vis Sci. 2000. 41:3327–3334.
16. Benson EL, Sandberg MA, Rosner B, et al. Natural course of retinitis pigmentosa over a three-year interval. Am J Ophthalmol. 1985. 99:240–251.
17. Massof RW, Finkelstein D, Starr SJ, et al. A two-stage hypothesis for the natural course of retinitis pigmentosa. Adv Biosci. 1987. 62:29–58.