Snellen letters - Study guides, Class notes & Summaries

Change a bifocal Rx to a single vision Rx - ANSWER-Add the bifocal power to the sphere powers. OD: -0.50 OS: -0.25-0.25x172 Add: +1.75 Turns into- OD: +1.25 OS: +1.50-0.25x172 Anisometropia - ANSWER-There is a difference of 3 diopters between both eyes; when the vision of the eyes differs by a large margin. Antimetropia - ANSWER-Refers to Rx's that differ in sign. Ex. OD: +0.25 OS: -0.75 Simple Hyperopia - ANSWER-The Rx will be a + sphere Simple Myopia - ANSWER-The Rx will...

Light is bent (refracted) primarily by the ______________ correct answers Cornea Light is bent (refracted) secondarily by the _______ correct answers Lens Light is focused onto the __________ which contains specialized neural cells called photoreceptors to process light and change it into a chemical signal which is transmitted through the visual pathway. correct answers Retina Majority of the light is focused onto the ___________ -> clearest portion of vision. correct answers Macula ...

Snellen eye chart assessment -measures distance visual acuity **6 m or 20 ft. Away **well lit, at patient's eye level -tests each eye -read through till smallest possible letters and request to read the line after that -note if they wear glasses or contacts (should be wearing them during assessment) Unexpected findings: leaning forward, squinting, hesitation, or more than a two-line difference between eyes *refractive index of the eye is 20/20 bilaterally* Six cardinal points of vision -allo...

NR 509 Week 4 Quiz Questions and Answers.2023/2024(AUGUST-NOV SESSION) 100% VERIFIED &Graded A) Question 1 According to the Bates’ Visual Guide video 7.5 Examining the Eyes, when using the Snellen eye chart, the patient’s visual acuity is printed to the right of each line of letters on the chart as a fraction (numerator/denominator). What does the numerator indicate? The testing distance

CPSS Ophthalmology Practice Test With Complete Solutions pupil - Answer-light enters the interior of the eye through Iris - Answer-regulates the amount of light entering the eye aqueous humor - Answer-cilliary processes secret fluid in eye Tear Film has 3 layers: - Answer-inner mucin layer, middle watery layer and outer oily layer Retina - Answer-Tissue located at back of eye that detects light and sends nerve impulses to brain macula - Answer-provides clearest and most detail...

ATI- Nursing Care of Children SUMMARY EXAM QUESTIONS & ANSWERS 2023/2024 When does the posterior fontanel close? - ANSWER-between 6 and 8 weeks of age When does the anterior fontanel close? - ANSWER-between 12 and 18 months of age what kind of test should you use to test the visual acuity of children who are unable to read letters and numbers? - ANSWER-tumbling E, HOTV how should older children be tested for visual acuity? - ANSWER-Snellen chart or symbol chart The Ishihara colo...

1. A nurse is providing teaching about foods high in fiber to the guardian of a child who has chronic constipation. Which of the following foods should the nurse recommend? A. 1/2 cup whole milk B. 1/2 cup cooked pinto beans C. 1 cup green leaf lettuce D. 1 cup apple juice: Correct Answer: B. 1/2 cup cooked pinto beans The nurse should recommend foods high in fiber for a child who has chronic constipation. A half cup of cooked pinto beans contains approximately 5 g of fiber. Therefore, th...

NURS 6531 Week 2 Quiz Study guide • Question 1 Amaurosis fugax is described as a: frequently described by patients as "a shade coming down over one eye." It may be due to embolic process from the ipsilateral internal carotid artery. The embolus courses from the internal carotid artery to the ophthalmic artery. Other sources of emboli include the common carotid artery or heart. • Question 2 A patient presents complaining of a painful nodule on the left lower eyelid. The nurse pract...

ATI- Nursing Care of Children 100% SOLUTIONS between 6 and 8 weeks of age - ANSWER When does the posterior fontanel close? between 12 and 18 months of age - ANSWER When does the anterior fontanel close? tumbling E, HOTV - ANSWER what kind of test should you use to test the visual acuity of children who are unable to read letters and numbers? Snellen chart or symbol chart - ANSWER how should older children be tested for visual acuity? color vision - ANSWER The Ishihara color test or ...

Change a bifocal Rx to a single vision Rx - Add the bifocal power to the sphere powers. OD: -0.50 OS: -0.25-0.25x172 Add: +1.75 Turns intoOD: +1.25 OS: +1.50-0.25x172 Anisometropia - There is a difference of 3 diopters between both eyes; when the vision of the eyes differs by a large margin. Antimetropia - Refers to Rx's that differ in sign. Ex. OD: +0.25 OS: -0.75 Simple Hyperopia - The Rx will be a + sphere Simple Myopia - The Rx will be - sphere Marcus Gunn - Tests to see if bot...