Some examples from this set of practice questions
1.
Relating to the human eye, what purpose does the cornea serve?
Answer: protective structure, serves refractive purposes; bends light towards lens
2.
Relating to the human eye, what purpose does the pupil serve?
Answer: controls the amount of light that enters the eye.
3.
Describe dark adaptation.
Answer: Rods become increasingly sensitive to light in conditions of low illumination. eye adjusts to dim setting.
4.
describe the vision challenge myopia, what lens is needed to correct this.
Answer: nearsightedness. trouble with far away objects due to focal point too far from retina. A concave lens is needed.
5.
Describe the vison challenge hyperopia, what lens is needed to correct this?
Answer: farsightedness, trouble with close up images due to lens sending image behind retina. Convex lens is needed for correction.
6.
Which part of the eye contains only cones and is critical for good visual acuity?
Answer: fovea.
7.
describe the cells of the retina: rods and cones.
Answer: rods: see black &white, operate best in dim light, responsible for peripheral vision. cones: see color, function best in bright settings, good for fine visual discriminations.
8.
what is meant by transduction, relating to human vision.
Answer: physical energy is converted into electrical energy. light energy to neural impulse.
9.
What is Lasik eye surgery?
Answer: 60-90 second process to alter curvature of cornea with a laser.
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Stuvia is a marketplace, so you are not buying this document from us, but from seller alyweise. Stuvia facilitates payment to the seller.
No, you only buy these notes for $4.49. You're not tied to anything after your purchase.
4.6 stars on Google & Trustpilot (+1000 reviews)
97255 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now
