PT - JOURNAL ARTICLE AU - A. G. Cross TI - Insights from the Blind AID - 10.1136/bjo.63.1.68 DP - 1979 Jan 01 TA - British Journal of Ophthalmology PG - 68--68 VI - 63 IP - 1 4099 - http://bjo.bmj.com/content/63/1/68.1.short 4100 - http://bjo.bmj.com/content/63/1/68.1.full SO - Br J Ophthalmol1979 Jan 01; 63