Abstract

References
1.
Bonnet
Paufique
Sarrazin
(1936 ) Arch. Ophtal., Paris , 53 , 849 .
2.
Brooks
W. D. W.
Juler
F. A.
Williams
E. R.
(1940 ) Brit. J. Ophthal. , 24 , 317 .
3.
Crandon
J. H.
Lind
C. C.
Dill
D. B.
(1940 ) New Engl. J. Med. , 223 , 353 .
4.
Dax
E. C.
(1938 ) Brit. J. Ophthal. , 22 , 345 .
5.
Duke-Elder
W. S.
(1940 ) Textbook of Ophthalmology , 3 , 2602 , 2668 , London.
6.
Flint
G.
Harrington
D.
(1934 ) Brit. J. Ophthal. , 18 , 27 .
7.
Francis
G. E. C.
Wormall
A.
(1942 ) Lancet (i ), 647 .
8.
Gilbert
W.
(1935 ) Klin. Mbl. Augenheilk. , 94 , 335 .
9.
Harris
L. J.
(1940 ) Lancet (ii ), 259 .
10.
Harris
L. J.
(1942 ) Lancet (i ), 642 .
11.
Harrison
R. J.
Mourant
A. E.
Wormall
A.
(1939 ) St Bart's Hasp. J. , 46 , 224 .
12.
Hutchinson
H. P.
((1932 ) Brit. J. Ophthal. , 16 , 513 .
13.
Jeandelize
Drouet
(1936 ) Bull. Soc. Ophtal., Paris , 48 , 260 .
14.
Jones
C. Idris
(1938 ) Lancet (i ), 11 .
15.
Kokott
W.
(1935 ) Klin. Mbl. Augenheilk. , 94 , 327 .
16.
Lawson
A.
(1935 ) Trans, ophthal. Soc. U.K. , 55 , 30 .
17.
Moore
R. Foster
(1922 ) Medical Ophthalmology , London , p. 242 .
18.
Noble
R. L.
Rinderknecht
H.
Williams
P. C.
(1938 ) Lancet (i ), 13 .
19.
McArevey
J. B.
Somerville-Large
L. B.
(1939 ) Trans, ophthal. Soc. U.K. , 59 , 835 .
20.
Paton
R. T.
(1938 ) Arch. Ophthal., N.Y. , 20 , 276 .
21.
Ridley
F.
Sorsby
A.
(1940 ) Modern Trends in Ophthalmology , London , p. 458 .
22.
Weve
H.
(1939 ) Trans, ophthal. Soc. U.K. , 59 , 43 .
