And in addition, we have a large group of presbyopes
with increasingly active lifestyles and prolonged life expectancy who count on us to provide a good alternative to spectacle lens wear.
One advantage of the ageing presbyope
is that the pupil becomes smaller with age, (4) and individuals with small pupils tend to be more successful with multifocal optics than those with larger pupils.
76%) subjects myopic M Ghatak, H Sowbhagya, (2013) (12) found equal number of hyperopic presbyopes
and myopic presbyopes
Stereopsis in presbyopes
fitted with single vision contact lenses.
For patients who are not yet presbyopic or only very early presbyopes
(normally under the age of 50) and who do not fulfil the criteria for safe laser eye surgery, toric phakic IOLs represent another alternative.
For example, a study was published in 2010 of presbyopes
who were offered both multifocal spectacles and multifocal contact lenses, and preference was then measured.