ABO NOCE Basic Opticianry Ocular Anatomy and Conditions 4

Question 1

The uvea consists of which three structures?

Accepted Answer

Iris, ciliary body, and choroid

Answer

The uveal tract is the vascular middle layer of the eye comprising the iris anteriorly, the ciliary body, and the choroid posteriorly.

Question 2

A patient presents with a sudden shower of floaters and flashes of light. The optician should immediately refer for evaluation of which condition?

Accepted Answer

Retinal detachment

Answer

Sudden floaters and photopsia (flashes) are classic warning signs of posterior vitreous detachment or retinal tear/detachment requiring urgent evaluation.

Question 3

The choroid's primary function is to:

Accepted Answer

Supply oxygen and nutrients to the outer retina

Answer

The highly vascular choroid supplies oxygen and nutrients to the outer retinal layers, including the photoreceptors.

Question 4

Which refractive error results from the eyeball being too long axially?

Accepted Answer

Myopia

Answer

Myopia (nearsightedness) occurs when the axial length of the eye is too long relative to its optical power, focusing parallel light in front of the retina.

Question 5

The conjunctiva covers which two areas of the eye?

Accepted Answer

Eyelid inner surface and anterior sclera (bulbar area)

Answer

The conjunctiva lines the inner eyelids (palpebral) and reflects onto the anterior sclera (bulbar) up to the limbus.

ABO NOCE Basic Opticianry Practice Test

ABO NOCE Basic Opticianry Practice Test

ABO NOCE Basic Opticianry Ocular Anatomy and Conditions 4