Coats of the Eyeball Anatomy

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

What is the result of obstruction to the draining of the aqueous humor?

  • Presbyopia
  • Blindness
  • Glaucoma (correct)
  • Spherical aberration

What is the function of the aqueous humor in the eye?

  • To nourish the retina
  • To magnify the image
  • To converge the eyes
  • To support the wall of the eyeball and maintain its optical shape (correct)

What is the shape of the lens in the eye?

  • Cylindrical
  • Biconvex (correct)
  • Oval
  • Globular

What happens to the lens with advancing age?

<p>It becomes denser and less elastic (B)</p> Signup and view all the answers

What is the function of the ciliary muscle in the eye?

<p>To contract and allow the lens to assume a more globular shape (C)</p> Signup and view all the answers

What is the function of the cornea?

<p>It is responsible for refraction and has a refractive index of 1.38 (B)</p> Signup and view all the answers

What is the function of the ciliary muscle?

<p>It increases the refractive power of the lens (D)</p> Signup and view all the answers

What is the purpose of the macula lutea?

<p>It is the area of most distinct vision (B)</p> Signup and view all the answers

What is the function of the aqueous humor?

<p>It fills the anterior and posterior chambers of the eyeball (D)</p> Signup and view all the answers

What is the purpose of the blind spot?

<p>It is insensitive to light and is located on the medial side of the macula (B)</p> Signup and view all the answers

Flashcards

Glaucoma

Increased intraocular pressure due to blocked aqueous humor drainage.

Aqueous humor function

Supports eyeball shape and maintains its optical properties.

Shape of the lens

The lens is curved outward on both sides.

Lens changes with age

It becomes less flexible, impacting focus.

Signup and view all the flashcards

Ciliary muscle function

Allows the lens to become rounder, increasing refractive power.

Signup and view all the flashcards

Cornea function

Refracts light, contributing significantly to focusing.

Signup and view all the flashcards

Macula lutea purpose

Area of sharpest, most detailed central vision.

Signup and view all the flashcards

Aqueous humor

Fills the front and back chambers of the eyeball with fluid.

Signup and view all the flashcards

Blind spot

Area on the retina insensitive to light due to optic nerve.

Signup and view all the flashcards

More Like This

Human Eye Anatomy
12 questions

Human Eye Anatomy

BestKnownChrysoberyl avatar
BestKnownChrysoberyl
Human Eye Anatomy and Physiology Quiz
42 questions
Anatomy and Structure of the Human Eye
19 questions
Use Quizgecko on...
Browser
Browser