NDD#23 Visual Disorders And Laser Surgery

What is myopia also known as?

• Long-sightedness

• Short-sightedness

• Astigmatism

• Presbyopia

What type of lens is used to correct myopia?

• Concave lens

• Cylindrical lens

• Convex lens

• No lens needed

What is hyperopia also known as?

• Color blindness

• Short-sightedness

• Night blindness

• Long-sightedness

Which technology is NOT mentioned as a method to correct visual disorders?

• Contact lenses

• Spectacles

• Magnetic therapy

• Laser surgery

What is the main cause of cataracts mentioned in the text?

• Clumping of proteins in the lens

• Degeneration of the optic nerve

• Excessive exposure to UV light

• High blood sugar levels

What is the primary method of treating cataracts as described?

• Surgical removal and lens replacement

• Wearing spectacles

• Using contact lenses

• Undergoing laser surgery

What is a common consequence of laser eye surgery?

• Improved night vision

• Dry eyes

• Color blindness correction

• Immediate vision restoration

What condition is often corrected with bifocals or multifocals?

• Hyperopia

• Myopia

• Presbyopia

• Astigmatism

What is a disadvantage of wearing spectacles mentioned in the text?

• Completely irreversible

• Can fog up in temperature changes

• Causes eye infections

• Leads to cataracts

What is a benefit of contact lenses over spectacles according to the text?

• Are suitable for all age groups

• Do not fog up

• Require no maintenance

• Correct all forms of visual disorders