ODP: Spectacle Final Exam Questions and Answers Already Passed
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Course
ODP: Spectacle
Institution
ODP: Spectacle
ODP: Spectacle Final Exam Questions
and Answers Already Passed
What is the primary function of the cornea in the eye?
The cornea helps to focus light onto the retina.
What is the role of the lens in vision?
The lens adjusts its shape to help focus light on the retina for clear vision.
...
ODP: Spectacle Final Exam Questions
and Answers Already Passed
What is the primary function of the cornea in the eye?
✔✔The cornea helps to focus light onto the retina.
What is the role of the lens in vision?
✔✔The lens adjusts its shape to help focus light on the retina for clear vision.
What is myopia, and how is it corrected?
✔✔Myopia, or nearsightedness, occurs when distant objects appear blurry. It is corrected with
concave lenses.
What is hyperopia, and what type of lens is used for correction?
✔✔Hyperopia, or farsightedness, occurs when close objects appear blurry. It is corrected with
convex lenses.
What is astigmatism, and how does it affect vision?
1
,✔✔Astigmatism is caused by an irregular curvature of the cornea, leading to distorted or blurred
vision at any distance.
What is the function of the retina?
✔✔The retina converts light into electrical signals that are sent to the brain for visual processing.
What are photoreceptors, and what are their two main types?
✔✔Photoreceptors are cells in the retina that detect light. The two main types are rods and cones.
What is the difference between rods and cones?
✔✔Rods are responsible for vision in low light, while cones are responsible for color vision and
detail in brighter light.
What does the term "visual acuity" refer to?
✔✔Visual acuity refers to the sharpness or clarity of vision.
What is the purpose of an optical prescription?
2
, ✔✔An optical prescription provides specific measurements and requirements for corrective
lenses.
What is the significance of the pupil in vision?
✔✔The pupil regulates the amount of light entering the eye by changing its size.
What is a cataract, and how does it affect vision?
✔✔A cataract is a clouding of the lens that can lead to blurry vision and difficulty seeing in low
light.
What are some common signs of eye strain?
✔✔Common signs of eye strain include headaches, blurred vision, and difficulty focusing.
What is the purpose of an eye exam?
✔✔An eye exam assesses vision and eye health to identify any issues or conditions.
How does age-related macular degeneration (AMD) affect vision?
3
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