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Ortho K is increasingly being used in Asia as a way of slowing down
the progression of myopia in children, according to feedback gathered
from practitioners using the system.
Practitioners from around the world who offer Ortho K met in Holland
recently to exchange information on how the night-time, reverse geometry
RGP lenses were fitted in their countries and the kinds of people
taking up the system.
The most striking trend was the rapid use of Ortho K in children in
the Far East. In Hong Kong 90 per cent of users are children and in
Taiwan children make up 80 per cent and young adults 19 per cent.
In Switzerland young adults account for 80 per cent of users and the
same group make up three quarters of users in the US. In Holland there
is a more balanced picture; 45 per cent of users are young adults
and the same proportion are mature adults. This older group dominates
wear in Sweden at 86 per cent.
In the UK the main driver for the take-up of Ortho K has been to provide
freedom for sport and leisure activities. Children make up just 10
per cent of UK wearers, young adults 30 per cent and mature adults
60 per cent. In Holland the main reason stated for using the system
is to avoid dry eye from soft contact lens wear, and in the US Ortho
K is seen as a non-surgical solution to vision correction.
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