الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
of the childhood, although they a r e r e l a t i v e l y r a r e ,
forming only 0.01 $1 - 0.04 5 of a l l eye diseec;?s, Fall.
and Xeel (1951) had cstixated i t s frequency as 1: 20.288
l i v e b i r t h , t h e incidence of the condition is expected to
i n c r e a s e ao t h e l i f e span of t h e p a t i e n t s increa,~ead ue t o
e a r l y d e t e c t i o n and inanilgnent with the new techniques. It
is supposed t o be l e s s fyecueEt L? dark races. Weinters
t e i n e r (1897) and Prancois (1062) suggeste6 3 nearly equal
incidence in both sexes.
Accordini; t o Reese (1954) t h i s tmlour is linited to
early years of l i f e and the neoplasm is nl~;ays congenital
even though i n b i l a t e r a l c a s e s t h e tul-~~oaizn t h e second
eye nay not be detected c l i n i c a l l y f o r [I corL6i.?teraS1e time.
The tumour may attain a considerable s i z e at b i r t h or at
t h e age of 4. days (Stev:i12d 1956), or during ths first iilonth
of l i f e (Reeae 1951), but usuall3- it is apparc~:t at the age
of 2 yenr-:, sornc cuscz :;Lay tic :lot recognized t i l l the ;r,c
or 5 y e a r s , after thzt age the incidence folls of? shar~iy
and. only a f e w rm-e canes ha~.re been reported ir the ai;~lt::
(Ivhkley 1963).