PT - JOURNAL ARTICLE AU - F. A. Williamson-Noble TI - DARK GLASSES AID - 10.1136/bjo.27.12.568 DP - 1943 Dec 01 TA - British Journal of Ophthalmology PG - 568--569 VI - 27 IP - 12 4099 - http://bjo.bmj.com/content/27/12/568.short 4100 - http://bjo.bmj.com/content/27/12/568.full SO - Br J Ophthalmol1943 Dec 01; 27