Page 120 - The Indian Optician Digital Edition July-August 2021

film. Based on a substantial body of research,
there is an alteration in the tear protein, mucins,
lipids and inflammatory mediators. There is also
contradicting significant data regarding the
impact on tear film composition due to lens
wear and its relevance to the comfort of the lens.
To conclude, the biocompatibility of a lens
depends on the interaction between lens
materials, tear film and disinfecting solutions.
Overall, this makes wettability a crucial part of
contact lens biocompatibility and performance.
It continues to remain difficult to discuss one
without the other regarding their exact roles
day/wear. An ideal lens solution must improve and impact. Lastly, whether an alteration can
the comfort of the lens while wearing. However, improve biocompatibility and comfort while
there are certain things that one must always wearing continues to remain debatable.
take care of while using contact lenses. Some of
them are:

1. Never skip your doctor’s appointment and
keep a track of when your lenses need to be
disposed of and replaced.

2. Do not wear contact lenses when swimming,
showering, in a hot tub, or in a situation that
might get them in direct contact with water.
3. Always remember to remove your lenses
before sleeping (even during quick naps).
4. Wash your hands with soap and wipe them
dry with a lint-free towel before handling the
lens.
5. Never store contact lenses in water (sterile
or not).
6. Maintain the hygiene of the lens solution
bottle. Do not transfer it into another bottle
as it might lose its sterile properties and keep
the opening of the bottle always closed and
contact-free from any surface or thing.

7. Give equal importance to your contact
lens case.

8. Drain out the solution from the case after
every use and pour fresh solution before each
use and replace the case every quarter.
INTERACTION WITH TEARS

A question that comes up now and then is if
contact lenses affect the composition of the tear

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