Visual Impairment Flashcards
What is the primary purpose of the Low Vision Eye Examination?
To assess individuals with low vision and recommend appropriate aids and support.
What is included in the initial assessment of a low vision patient?
Observation of the patient, their independence, social situation, symptoms, history, and current status.
What factors should be observed during the initial assessment?
Presence of assistance, lighting preferences, physical infirmities, and use of eccentric viewing.
What does the registration status indicate?
It indicates the level of sight impairment: Sight impaired (SI), Severe sight impaired (SSI), or None.
Fill in the blank: Symptoms and history are a ______ part of the examination.
[critical]
What should be assessed regarding current spectacles?
Date of last refraction, age of spectacles, and their utility.
What is the significance of understanding a patient’s social situation?
It helps tailor advice and support based on their living circumstances and support networks.
What types of difficulties should be explored with visually impaired patients?
Reading, communication, taking medications, cooking, and hobbies.
What are Low Vision Aids (LVA’s)?
Devices designed to assist individuals with low vision in performing daily tasks.
What methods are commonly used for distance vision assessment?
Snellen and LogMAR methods.
True or False: Snellen has a uniform progression in letter size.
False
What is the minimum angle of resolution (MAR) for a 6/6 letter?
1 minute of arc.
What does a LogMAR score of 0.0 indicate?
Equivalent to Snellen 6/6.
What is the purpose of using a pinhole during visual assessment?
To gain further information about visual acuity.
Fill in the blank: Adjustments for viewing distance are necessary when recording _______.
[visual acuity]
What adjustments should be made when refraction is carried out at less than 6m?
Adjust by -0.25 at 3m, -0.50 at 2m, and -1.00 at 1m.
What should be considered when prescribing for patients with low vision?
The patient’s environment and specific daily activities.
What does contrast sensitivity measure?
It offers a more complete description of a patient’s visual performance in real-world conditions.
What might severe loss of contrast sensitivity indicate?
Consideration for non-sighted support.
What are the potential difficulties a visually impaired patient may face in cooking?
Reading ingredients, cutting vegetables, and avoiding burns.
What is the importance of understanding a patient’s abilities?
To provide tailored recommendations for daily living activities.
What can affect a patient’s low vision assessment?
General health conditions such as arthritis, diabetes, and depression.
What is the relationship between visual impairment and social services?
Accessing additional services can assist in providing appropriate advice.
What is eccentric viewing?
A technique where patients adjust their head posture to maximize available vision.
