Soft contact lenses are made of
Correct Answer: Hydroxymethyl methacrylate
Description: Soft contact lenses: Soft contact lenses are made up of HEMA (hydroxyethylmethacrylate) which is hydrophilic. Advantages : Being soft and oxygen permeable, they are most comfoable and so well tolerated. Disadvantages : Problems of proteinaceous deposits, getting cracked, limited life, inferior optical quality, more chances of corneal infections, and inability to correct astigmatism of more than one dioptre. Reference :- A K KHURANA; page:-564
Category:
Ophthalmology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now