Visual Acuity

What does Ophthalmology study?

The study of the eye and diseases affecting the eye.

Who is a medical doctor specializing in eye care?

Ophthalmologist

What is the role of an Optometrist?

A professional who provides primary vision care, including refraction and dispensing.

What does an Optician do?

A professional who designs, fits, and dispenses corrective lenses and eyewear.

What is myopia also known as?

Nearsightedness.

What condition causes light rays to focus in front of the retina?

Myopia (Nearsightedness)

What is hyperopia?

Farsightedness, where light rays focus beyond the retina.

What is astigmatism?

A condition caused by an abnormal shape or curve of the cornea.

What are common treatments for refraction disorders?

Glasses or contact lenses.

What condition is characterized by poor vision in one eye, often referred to as 'lazy eye'?

Amblyopia.

At what age should amblyopia be treated to be most effective?

Before 8 to 9 years of age.

What happens in cataracts?

The lens becomes cloudy, leading to blurred vision and halos around lights.

What is a common treatment for cataracts?

Surgical removal of the lens and implant of a new lens.

What is conjunctivitis commonly known as?

Pink eye.

What are symptoms of conjunctivitis?

Redness, swelling, pain, draining, and pus.

What causes glaucoma?

Increased intraocular pressure.

What visual symptoms are associated with glaucoma?

Loss of peripheral vision, poor night vision, and aching.

What is diabetic retinopathy?

A condition caused by too much glucose and poor circulation to the eye, leading to new vessel growth.

What is hemianopsia?

Vision loss in half the visual field, often resulting from a stroke.

What is a key symptom of cataracts?

Blurred vision.