Author Question: A 70-year-old patient presents to the primary care provider reporting loss of vision. A history that ... (Read 103 times)

darbym82 · **on:** Jun 25, 2018

A 70-year-old patient presents to the primary care provider reporting loss of vision. A history that includes hypertension and cigarette smoking supports which visual diagnosis?

a. Presbyopia
b. Macular degeneration
c. Strabismus
d. Amblyopia

Question 2

The ophthalmologist is teaching about the structure of the eye that prevents light from scattering in the eye. What structure is the ophthalmologist describing?

a. Iris
b. Pupil
c. Choroid
d. Retina

pangili4 · **Reply #1 on:** Jun 25, 2018

Answer to Question 1

ANS: B
Age-related macular degeneration (AMD) is a severe and irreversible loss of vision and a major cause of blindness in older individuals. Hypertension and cigarette smoking are risk factors. Presbyopia is a condition associated with aging in which the patient experiences reduced near vision. In strabismus, one eye deviates from the other when the person is looking at an object. In amblyopia, vision is reduced in the affected eye caused by cerebral blockage of the visual stimu

Answer to Question 2

ANS: C
The choroid is the deeply pigmented middle layer that prevents light from scattering inside the eye. The iris is a part of the choroid and contains the pupil, which lets light into the eye. The reti-na is the innermost layer of the eye.