Aqueous Humor

Aqueous Humor

Question 1. Functions of aqueous humour.
Answer:

• It maintains shape of the eyeball.
• It maintains intraocular pressure.
• Provides nutrition to the avascular structures like lens and cornea.
• Removes metabolities.
• Acts as a reflective medium.

“Understanding aqueous humor through FAQs: Production, circulation, and uses explained”

Question 2. Dark adaptation.
Answer:

Defintion:

• The process by which the person is able to see the objects in dim light is called dark adaptation.

Duration:

• The maximum duration of it is about 20 min.

Causes:

• Increased sensitivity of rods.
• Dilatation of pupil.

“Importance of studying aqueous humor for ophthalmology students: Questions explained”

Question 3. Light adaptation. (or) Presbyopia. (or) Myopia. (or) Refractory error of eye.
Answer:

Definition:

• The process by which the person is adapted to bright light after entering from dim light area is called light adaptation.

Duration:

• Its maximum duration is 5 min.

Causes:

• Reduced sensitivity of rods
• Constriction of pupil.

“Common challenges in mastering aqueous humor notes effectively: FAQs provided”

Question 4. Acuity of vision.
Answer:

Definition:

• The ability of the eye to determine the precise shape and details of the object is called acuity of vision.
• Cones of the retina are responsible for acuity of vision.
• It is reduced during the refractory errors.

Test for visual acuity:

• Visual acuity is tested for distant as well as nearby objects.
• Sneller’s chart is used to test the acuity of vision for distant vision.
• Jaeger’s chart is used to test the visual acuity for near vision.