Podcast
Questions and Answers
What is the index of the tear layer?
What is the index of the tear layer?
- 1.416
- 1.376
- 1.400
- 1.336 (correct)
What percentage of refraction occurs in the cornea?
What percentage of refraction occurs in the cornea?
- 1/2
- 3/4
- 1/3
- 2/3 (correct)
What is the process by which the crystalline lens varies its focal length?
What is the process by which the crystalline lens varies its focal length?
- Diffraction
- Accommodation (correct)
- Refraction
- Reflection
What is the term for the distance between the focus and the retina when the accommodation is insufficient?
What is the term for the distance between the focus and the retina when the accommodation is insufficient?
In which refractive status is the image exactly in front of the retina?
In which refractive status is the image exactly in front of the retina?
What is the average power of the cornea in diopters?
What is the average power of the cornea in diopters?
What is the purpose of a schematic eye model?
What is the purpose of a schematic eye model?
Which scientist is credited with making a six-surface eye model?
Which scientist is credited with making a six-surface eye model?
In Gullstrand's schematic eye, what is the refractive power of the unaccommodated lens?
In Gullstrand's schematic eye, what is the refractive power of the unaccommodated lens?
What is the refractive index of the cortex of the crystalline lens in Gullstrand's schematic eye?
What is the refractive index of the cortex of the crystalline lens in Gullstrand's schematic eye?
What is the radius of curvature of the lens in Gullstrand's schematic eye at the back surface?
What is the radius of curvature of the lens in Gullstrand's schematic eye at the back surface?
Which distance in Gullstrand's schematic eye is 3.6 mm?
Which distance in Gullstrand's schematic eye is 3.6 mm?
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