NBEO National Board of Examiners in Optometry Part I Practice Test
Build your confidence for NBEO National Board of Examiners in Optometry Part I. Practice the concepts, understand the answers, and strengthen your knowledge one question at a time.
Try a sample questionExam overview and details
Optometry board examination covering basic and clinical sciences including anatomy, physiology, biochemistry, microbiology, and pathology for licensure. Administered by National Board of Examiners in Optometry as a written (parts i, ii, tmod) and osce (part iii) at nbeo-designated sites format exam. Key domains include Anatomy and Physiology, Behavioral Sciences, Biochemistry and Genetics and Microbiology and Immunology.
Sample Questions
Choose an answer and explore the explanation to see how practice works.
A patient with mild traumatic brain injury loses place while reading. Testing shows inaccurate refixations between two near targets but normal amplitude of accommodation and normal cover test. Which function is primarily abnormal?
A soft toric diagnostic lens is prescribed at axis 170. On the eye, the orientation mark rotates 10 degrees to the patient's left and vision is blurred. Using LARS, what ordered lens axis should be tried next?
An anomaloscope requires a patient to match a yellow field by adjusting a red-green mixture. Which clinical use best fits this instrument?
A refractive surgery note describes creation of a hinged corneal flap followed by excimer ablation of stromal tissue. Which procedure is being described?
A 16-year-old can clear -2.00 D lenses rapidly on accommodative facility testing but repeatedly fails to clear +2.00 D lenses. Which accommodative problem is suggested?
Exam insights and study advice
Mastery of the material tested in Part I is not merely an academic exercise; it is the scientific foundation for every clinical decision you will make. This knowledge directly translates to accurately diagnosing disease, understanding drug interactions, prescribing corrective lenses, and ensuring patient safety. A strong grasp of these principles is what separates a technician from a doctor, enabling you to provide evidence-based, comprehensive eye care and to understand the 'why' behind ocular health and disease.