Popis: |
In 1926 the classic form of the angioscotoma was first described. 1 This work has been a source of aid to clinicians investigating disease of the nasal accessory sinuses, 2 forms of edema, 3 glaucoma 4 and menstrual disturbances. 5 The research worker, too, has had recourse to angioscotometry in studying the effects of sulfanilamide, 6 inhalation of oxygen, 7 and amphetamine sulfate, 8 and studies of the effects on the visual fields of high altitude 9 have been a basis of investigations in World War II. No effort has been made, however, to determine the effect of smoking on the normal angioscotoma. Since tobacco smoking is so widespread, it was thought that knowledge of its effect might be of clinical and experimental value. It was therefore decided to study the effect on the central visual fields of smoking 1 cigaret with inhalation. METHODS AND MATERIAL Angioscotometry was the method |