Page 118 - The Indian Optician Digital Edition July-August 2021

Lachesine: It is also a synthetic drug Conclusion: Parasympatholytic drugs play
possessing atropine-like actions; 1% solution a very important role in diagnosing, examining
causes mydriasis and cycloplegia but the and treating patients. These drugs are prepared
effects seldom last for more than 10 hours. So, in different concentration and have different
it is not a frequently used parasympatholytic onset of actions. As per their strength these
drug in routine outdoor patient department. drugs are used very selectively and cautiously.
These drugs are used in refraction, examining
Euphthalmine: It is synthetic member of fundus, treatment of various inflammatory
the group and has little effect on the ciliary conditions, penalization etc. Accidental
muscle. It is a good drug for fundoscopy and instillation of these drugs in sound eye may
is usually employed in 5 to 10% drops.
cause blurring of vision and photophobia which
Cyclopentolate: It is used in 0.5 to 2% can lead to disturbance of routine near work and
solution. It produces maximum mydriasis in uncomfortable condition in sunlight. Therefore,
15 to 30 minutes which lasts for about 2 hours. these drugs should be used under supervision of
The maximum cycloplegia is produced in 5 to an ophthalmologist or experienced optometrist.
15 minutes and lasts for about 24 hours.

Tropicamide: It is used as 1-2% solution.
The mydriatic and cycloplegic action is
produced in 20-30 minutes and lasts for 4-6
hours. It is an ideal mydriatic for refraction and
examination of fundus. It is a widely used drug
in routine outdoor patients nowadays. It is also
available in combination of phenylephrine.
Eucatropine: It is used in 5-10% solution.
The mydriasis develops in about 12 minutes
and lasts upto an hour. It is
a poor cycloplegic and is,
therefore, not much in use.

FUNDUS
CAMERA

DRY EYE

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