Hamzah Umar, Causes of visual impairment among students attending schools for the blind in Kedah, Malaysia / Hamzah bin Umar. - ix, 59 pages : illustrations ; 30 cm. Tesis (Degree of Master of Surgery - Ophthalmology) - Universiti Kebangsaan Malaysia, 2002 References : p. 39-40 ISBN: Hadiah. Subjects--Topical Terms: Visual Impaired PersonsBlindness--epidemiologyINDAMET National Library of Medicine Call No.: WW276 / .H198c 2002 9HUKM