ABO NOCE Basic Opticianry Ocular Anatomy and Conditions Questions and Answers 2

Question 1

Keratoconus is characterized by:

Accepted Answer

Progressive corneal thinning and ectasia causing an irregular cone-shaped cornea with high myopia and irregular astigmatism

Answer

A bilateral opacity of the crystalline lens causing gradual vision loss

Answer

Elevated intraocular pressure causing optic nerve damage

Answer

Macular degeneration affecting central vision

Question 2

A patient presents with sudden onset of halos around lights, eye pain, nausea, and blurred vision. This presentation is most consistent with:

Accepted Answer

Acute angle-closure glaucoma

Answer

Open-angle glaucoma

Answer

Cataract

Answer

Dry eye syndrome

Question 3

Which type of cataract forms in the central part of the crystalline lens and is associated with excessive UV light exposure and aging?

Accepted Answer

Nuclear sclerotic cataract

Answer

Posterior subcapsular cataract

Answer

Anterior cortical cataract

Answer

Posterior polar cataract

Question 4

Which refractive error is caused by the cornea or lens having different curvatures in different meridians?

Accepted Answer

Astigmatism

Answer

Myopia

Answer

Hyperopia

Answer

Presbyopia

Question 5

Diplopia (double vision) presenting in a patient wearing their current glasses is most appropriately addressed by the optician by:

Accepted Answer

Verifying the glasses with a lensometer and checking alignment, then referring to the prescriber if glasses are within tolerance

Answer

Immediately remaking the lenses without consulting the prescriber

Answer

Prescribing prism lenses without an eye exam

Answer

Adjusting the nose pads to change the OC height

Question 6

Presbyopia is best defined as:

Accepted Answer

Age-related loss of accommodative amplitude due to decreased crystalline lens elasticity

Answer

Progressive myopia occurring after age 40

Answer

Increased IOP occurring with aging

Answer

Age-related macular degeneration