Page 81 - The Book Pi in eye

Pi in eye

on who have had recent eye surgery, whose lids open during sleep,
people on Cpap machines, or those who are too busy to put drops.
Simple cheap humidifiers increase the moisture in dry places and are
a more natural and functional way to keep eyes moist. There are
some sun glasses which spry moisture at regular intervals. These
eyeglasses also block wind or dust reaching the eye.
Evaporation can be protected by simple steps like sunglasses or
wide brim hats to keep sunlight out.

Punctal Occluders
The method to decrease the drainage is akin to putting stoppers in
the drainage pipe of the basin. Don’t worry, in experienced hands
this is a quick painless in office procedure taking a few seconds.
There are various types of punctal occluders or plugs available as
seen in the table below.

Type Temporary Intermediate Permanent
Material Collagen Synthetic Polymer Silicone or Acrylic
Duration 2-4 weeks 3 -6 months Lasts for years
Usage Diagnostic Lasik/ Therapeutic
Therapeutic
Long Term Dissolves Slowly dissolves Inert

Figure 11.4 Comparison of Punctal occluders

It is customary to start with collagen punctum occluders to see if
the person can tolerate them. Only one of the two punctum in each
lid is blocked. Based on the response further decisions are taken.

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