18 Questions
What type of refractive error is associated with difficulty seeing at distances?
Myopia
What is the term for a blind spot surrounded by an area of normal or decreased vision?
Scotoma
What age-related vision change is associated with difficulty focusing on close objects?
Presbyopia
What is the term for crossing of the eyes, often associated with strabismus?
Esotropia
What is the term for the moving specks or strands that are common in people with myopia or after middle age?
Floaters
What is the term for the sudden onset of floaters, often associated with retinal detachment?
Acute onset of floaters
What is the correct pathway of light in the eye?
Light rays are refracted through the transparent media and strike the retina
What occurs when a person shifts gaze from a far object to a near one?
Pupils constrict and the lens becomes more spherical
What is the percentage of babies born farsighted?
80%
At what age does the eyeball reach its adult size?
8 years
What is the term for the decreased ability of the lens to change shape to accommodate for near vision?
Presbyopia
What is the age range at which the macula is developing and mature?
4-8 months
What is the visual acuity of a legally blind person?
20/200
What is the purpose of the finger counting method in visual acuity testing?
To measure visual acuity when the patient cannot read the Snellen chart
What is the correlation between the Jaegar number and near vision?
The higher the number, the worse the near vision
What is the normal range of peripheral vision in the upward direction?
50 degrees
What is the characteristic of the lens of the eye that leads to presbyopia?
Loss of elasticity
What is the term for inward or outward deviation of the eyes?
Jovellanos
This quiz covers the process of visual perception, including the refraction of light through the eye and the transmission of nerve impulses to the brain. It also explores visual reflexes, including the near reaction and light reaction, and their development in infants and children.
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