Podcast
Questions and Answers
What is the process of transfer of light energy to a particle or surface?
What is the process of transfer of light energy to a particle or surface?
- Transmission
- Refraction
- Absorption (correct)
- Reflection
Why is there no visual sensation at the optic disk?
Why is there no visual sensation at the optic disk?
- Because there are no blood vessels in the optic disk
- Because it is a point of light focus
- Because there are no photoreceptors in the optic disk (correct)
- Because it is a blind spot
What is the main function of the aqueous humor in the eye?
What is the main function of the aqueous humor in the eye?
- To maintain the eye's shape (correct)
- To nourish the cornea
- To focus light rays
- To provide the eye's color
If the cornea has a refractive power of 42 diopters, at what distance behind the corneal surface will parallel light rays be focused on the retina?
If the cornea has a refractive power of 42 diopters, at what distance behind the corneal surface will parallel light rays be focused on the retina?
Which layer of the retina contains the cell bodies of the bipolar cells, horizontal cells, and amacrine cells?
Which layer of the retina contains the cell bodies of the bipolar cells, horizontal cells, and amacrine cells?
What is the main difference between the aqueous humor and the vitreous humor in the eye?
What is the main difference between the aqueous humor and the vitreous humor in the eye?
Which cells in the retina have axons that leave the retina?
Which cells in the retina have axons that leave the retina?
Where does most of the eye's refractive power occur?
Where does most of the eye's refractive power occur?
What is the primary reason for the fovea's pit-like appearance?
What is the primary reason for the fovea's pit-like appearance?
What is meant by the term 'duplex retina'?
What is meant by the term 'duplex retina'?
Which of the following is associated with the photoreceptor 'dark current'?
Which of the following is associated with the photoreceptor 'dark current'?
What is a key difference between ON-center and OFF-center ganglion cells?
What is a key difference between ON-center and OFF-center ganglion cells?
