# Overfelt Health and Medical Question Nursing Assignment Help

## Instructions

1. Watch the video(s) for Chapter 31.
• Measure Distance Visual Acuity

2. Complete the tasks related to visual acuity.
1. Explain distance visual acuity.
2. Explain how to perform a visual acuity test using the Snellen chart.
3. Explain visual acuity.
4. Explain how to assess color acuity using the Ishihara test.

## Expert Solution Preview

Introduction:
Distance visual acuity is a measure of the clarity or sharpness of a person’s vision at a specific distance. It is an important assessment tool used in ophthalmology to evaluate the ability of an individual to see objects clearly from a certain distance. In this assignment, we will explore the concept of distance visual acuity and the methods used to assess it including the use of the Snellen chart. Additionally, we will discuss visual acuity in general and how color acuity can be assessed using the Ishihara test.

Distance visual acuity refers to the measurement of how well a person can see objects from a specific distance. It is commonly expressed as a fraction, where the numerator represents the testing distance and the denominator represents the distance at which a normally sighted person could see the same object clearly. For example, if a person’s visual acuity is recorded as 20/20, it means that they can see objects from 20 feet away that a normally sighted person can also see from a distance of 20 feet.

To perform a visual acuity test using the Snellen chart, the following steps can be followed:

1. The chart should be placed on a well-illuminated wall at eye level.
2. The patient is usually positioned at a distance of 20 feet from the chart, although this can vary depending on local standards.
3. The patient should be asked to cover one eye with an occluder (such as an eye patch or their hand) while keeping the other eye open.
4. Starting from the largest line on the chart, the patient is then instructed to read aloud the letters or symbols on each line, moving from top to bottom.
5. The visual acuity score is determined by the line at which the patient can read at least 50% of the letters correctly. This is typically recorded as the numerator of the visual acuity fraction.

Visual acuity is a measure of the ability to discern fine details and perceive sharpness of vision. It is influenced by various factors including the health and function of the eye’s structures, such as the cornea, lens, and retina, as well as the neural processing of visual information. Visual acuity is typically assessed using letter charts, such as the Snellen chart, where the patient is required to identify letters or symbols of varying sizes.

Color acuity is the ability to perceive and distinguish different colors accurately. The Ishihara test is a common method used to assess color acuity. It involves presenting the patient with a series of plates, each containing dots or numbers embedded within a pattern of colored dots. The patient is required to identify the numbers or shapes present. The Ishihara test is particularly useful in detecting color vision deficiencies, most commonly red-green color deficiency. By evaluating color acuity, healthcare professionals can diagnose and manage color vision abnormalities, which may have implications for various professions such as pilots or electricians.

Pages (275 words)
Standard price: \$0.00

### Latest Reviews

Impressed with the sample above? Wait there is more

Related Questions

### Type II Diabetes Mellitus Case Study Nursing Assignment Help

Your 65 year old patient is here for a 6 month check. He was diagnosed with type II DM (NIDDM) 10 years ago. Blood sugars

### Evidence-Based Practice Proposal Section G Evaluation of Process Essay Nursing Assignment Help

Develop an evaluation plan to be included in your final evidence?based practice project. Provide the following criteria in the evaluation, making sure it is comprehensive

### Communicable and Infectious Diseases Discussion Question Nursing Assignment Help

Communicable Disease and Infectious Disease. According to the World Health Orgnization, an emerging infectious disease (EID) is an infectious disease that has appeared in a

### Grand Canyon University Managing Health Care Business Strategy Discussion Nursing Assignment Help

I’m working on a health & medical question and need the explanation and answer to help me learn. What purpose do the mission, vision, and

### HED 204 health education Nursing Assignment Help

I NEED TWO DISCUSSIONS ONE FOR ME AND ANOTHER FOR MY FRIEND !!!!! Discussion 3: Read: What Needs to be Done: Making Equity an Economic

### FC Health Systems Management Annotated Bibliography Nursing Assignment Help

Plagiarism Check References and Citations must be cited in APA 7th Edition.  General Instructions: Purpose: The purpose of this written lab is to assess your

### Complete the Form: Identify Aerobic/Anaerobic Requirements for Your Fitness Client Nursing Assignment Help

Using the presentation(attached), and outside research, identify the ATP-PC requirements (maximal/peak effort), the anaerobic/ aerobic requirements (80-90% training intensity) and the aerobic requirements (moderate intensity)

### Eccentric Training Discussion Nursing Assignment Help

I’m working on a Health & Medical question and need guidance to help me study. Read the Bubbico and Kravitz article.  After you have read

### Florida International University Nurse Role in Policy Development Model Discussion Nursing Assignment Help

Populations Affected by Mental Illness Read chapter 24 of the class textbook and review the attached PowerPoint presentation.  Once done answer the following questions; 1.

### Santa Monica College Six Sigma and A3 Strategy Entries Analysis Nursing Assignment Help

5-page written report discussing what is Six-Sigma – Identify a process improvement opportunity and complete an A3 (see files for an example)  You will be

### Science Internship Programming Project Nursing Assignment Help

Expert Solution Preview Introduction: As a medical professor, my primary responsibility is to create college assignments and evaluate the performance of medical college students. I

### Recovery Audit Contractors and Electronic Health Records Discussion Nursing Assignment Help

I need support with this Health & Medical question so I can learn better. In your post, evaluate the purpose of recovery audit contractors (RACs)

New questions

### Health & Medical Healthcare Organization Ratio Analysis Nursing Assignment Help

You are a mid-level manager in a health care organization and you have been asked to prepare a report, with appropriate exhibits, for the senior

### GCU Evidence Hierarchy in Literature Discussion Nursing Assignment Help

I’m working on a health & medical question and need the explanation and answer to help me learn. Discuss the hierarchy of evidence, specifically as

### GCU Multidisciplinary Post Transplant Care Discussion Nursing Assignment Help

please respond to the following discussion post as a peer making a comment. Hello everyone, My topic discusses the importance of implementing a comprehensive post-transplant

### GCU Literature Review Themes and Trends Discussion Nursing Assignment Help

As you begin your literature review, what themes and trends do you see emerging? Identify at least three different themes and how they affect your

### STU Health & Medical Enzyme Conversion Diagrams Question Nursing Assignment Help

Expert Solution Preview Introduction: As a medical professor responsible for designing college assignments and evaluating student performance, I understand the importance of providing comprehensive