MOC PQA - Optician study plan

Define and compute focal length, dioptric power, and lensmaker's equation values for spherical lenses without reference aids.

Calculate image position and magnification for object distances inside and outside the focal point, and state whether the image is real or virtual.

Convert between sagitta, base curve, and radius of curvature using the standard approximation, and explain when the approximation breaks down.

Derive the effective power change from vertex distance shift for a +10.00 D and a -10.00 D lens, and state the clinical significance.

Compute spherical equivalent, induced prism by decentration, and Prentice's rule values for at least ten practice prescriptions.

Explain how cylinder axis orientation affects the principal meridians, and calculate power along an oblique meridian using the sine-squared relation.

Differentiate between optical and physical center, and predict image displacement when a lens is decentered.

Describe how aberrations such as spherical aberration, coma, and distortion arise in ophthalmic lenses and one design strategy that reduces each.

Measure monocular and binocular pupillary distance, segment height, and pantoscopic tilt on a practice frame, recording each value.

Select frame front width, bridge, and temple length for three hypothetical facial profiles and justify each choice.

Demonstrate boxing system measurement of A, B, DBL, and effective diameter, and calculate minimum blank size for a given decentration.

Adjust a frame for vertex distance and pantoscopic tilt to meet a stated prescription requirement.

Classify lens materials by refractive index, Abbe value, and impact resistance, and match each to a suitable wearer scenario.

Compare progressive addition, bifocal, and occupational lens designs by corridor length, fitting height, and adaptation demands.

Specify appropriate anti-reflective, scratch-resistant, photochromic, and polarized treatments for four stated use cases.

Explain how aspheric and digitally surfaced designs alter off-axis performance and fitting requirements.

Transpose prescriptions between plus-cylinder and minus-cylinder form accurately for ten examples.

Identify and correct common prescription entry errors, including axis outside 1 to 180, cylinder without axis, and prism base notation.

Calculate resultant prism and resolve prism into horizontal and vertical components for oblique base directions.

Verify optical center placement and prism thinning against a written laboratory order.

Compare hydrogel and silicone hydrogel materials by oxygen transmissibility, water content, and modulus, and relate each to wearer comfort and corneal health.

Compute base curve, diameter, and power selection for a given keratometry reading and refractive error.

Outline a fitting evaluation sequence including centration, movement, coverage, and over-refraction.

List care regimen steps and contraindications, and explain the signs of hypoxia and infiltrative response that require lens discontinuation.

Diagram the refractive structures of the eye and trace the light path from tear film to retina, naming the refracting contribution of each surface.

Classify myopia, hyperopia, astigmatism, and presbyopia by optical cause and match each to its correction strategy.

Demonstrate use of lensmeter, pupillometer, and distometer, and record readings on a verification form.

Perform and document a solder-free frame repair and a nose pad and temple replacement, noting torque and alignment checks.

Apply recordkeeping, prescription release, and scope-of-practice rules to five written scenarios and identify the compliant action.

Resolve three ethics scenarios involving a dispensing error, a warranty dispute, and a referral request, citing the governing principle.

Complete a timed 60-question mixed-domain practice set and categorize every miss by domain.

Re-drill the two weakest domains using targeted calculation and recall practice until each reaches 85% accuracy.