PNO Oftalmologia CBO Practice Questions - PNO - Prova Nacional de Oftalmologia Título de Especialista em Oftalmologia (Conselho Brasileiro de Oftalmologia AMB) Exam - PNO Oftalmologia CBO Practice Questions - PNO - Prova Nacional de Oftalmologia Título de Especialista em Oftalmologia (Conselho Brasileiro de Oftalmologia AMB) Exam

Question 1

A patient wearing spectacles with a power of +4.00 D in both eyes looks through a point located 5 mm temporal (lateral) to the optical center of the right lens. According to Prentice's rule, what is the induced prismatic power and the base orientation of the prism in the right eye?

2.0 prism diopters with base OUT (base temporal). 2.0 prism diopters with base IN (base nasal). 0.8 prism diopters with base OUT (base temporal). 20.0 prism diopters with base IN (base nasal).

Correct Answer:

2.0 prism diopters with base IN (base nasal).

Question 2

Light originating from a point object positioned 50 cm in front of a thin converging lens of +6.00 D power in air passes through the lens. At what distance from the lens will the real image be focused?

25 cm behind the lens (+25 cm). 16.7 cm behind the lens (+16.7 cm). 50 cm behind the lens (+50 cm). 12.5 cm behind the lens (+12.5 cm).

Correct Answer:

25 cm behind the lens (+25 cm).

Question 3

Which of the following represents the correct plus-cylinder spherocylindrical transposition of the prescription +2.50 -1.75 × 080°?

+0.75 +1.75 × 170° +0.75 +1.75 × 080° +4.25 +1.75 × 170° +0.75 -1.75 × 170°

Correct Answer:

+0.75 +1.75 × 170°

Question 4

During subjective manifest refraction using a Jackson Cross-Cylinder (JCC) with ±0.25 D powers to refine the cylinder axis, how should the JCC be oriented relative to the correcting cylinder axis, and how should the axis be adjusted when the patient prefers a flip position?

Align the handle of the JCC parallel to the trial cylinder axis (placing JCC axes at 45° to the trial axis), and rotate the trial cylinder axis toward the red (minus) mark on the preferred flip position. Align the red (minus) axis of the JCC directly over the trial cylinder axis, and rotate the trial cylinder axis away from the red mark. Align the white (plus) axis of the JCC directly over the trial cylinder axis, and increase the sphere power by +0.25 D for every 5° of axis rotation. Align the handle of the JCC at 45° to the trial cylinder axis, and rotate the trial cylinder axis toward the white (plus) mark regardless of whether plus or minus cylinder is used.

Correct Answer:

Question 5

An examiner performs static retinoscopy at a working distance of 50 cm. Neutralization of the reflex in all meridians is achieved with a +4.50 D trial lens in front of the patient's eye. What is the patient's true refractive error?

+2.50 D hyperopia. +4.50 D hyperopia. +6.50 D hyperopia. -2.50 D myopia.

Correct Answer:

+2.50 D hyperopia.

Question 1

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Prepare with the PNO Oftalmologia CBO Practice Questions - PNO - Prova Nacional de Oftalmologia Título de Especialista em Oftalmologia (Conselho Brasileiro de Oftalmologia AMB) Exam practice quiz. This question bank includes 100 questions covering lens, corneal, patient, year-old, and presents. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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PNO Oftalmologia CBO Practice Questions - PNO - Prova Nacional de Oftalmologia Título de Especialista em Oftalmologia (Conselho Brasileiro de Oftalmologia AMB) Exam

This practice set contains 100 questions from the matching question bank and focuses on lens, corneal, patient, year-old, and presents. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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PNO Oftalmologia CBO Practice Questions - PNO - Prova Nacional de Oftalmologia Título de Especialista em Oftalmologia (Conselho Brasileiro de Oftalmologia AMB) Exam

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