Does Using a Low Vision Aid Device Improve Quality of Life in Glaucoma

Status Completed

Clinical Trial Summary

To determine the impact of OrCam over 1 month on health-related quality of life (HRQoL) in subjects with advanced glaucoma using the National Eye Institute Visual Function Questionnaire 25 (NEI-VFQ-25).

To identify tasks for which subjects are using the OrCam device and patient satisfaction.

Clinical Trial Description

Participants will document their daily impression about the use of OrCam, a small camera attached to their glasses over a 1-month period. They will attend 2 appointments at Wills Eye Hospital Glaucoma Research Center (baseline and final visit). Participant's will be trained to use the OrCam device at baseline visit and complete a best-corrected visual acuity assessment ETDRS (early treatment diabetic retinopathy study) and the NEI-VFQ-25 questionnaire. They will also read a short newspaper article.

The NEI-VFQ-25 includes a series of 25 questions pertaining to vision or feelings about a vision condition. Answers are selected among a numbered list of possible responses, the values of which are ultimately recoded and converted to a 0 to 100 scale. Items within each subscale are averaged together to create 12 subscale scores. An overall composite score will be calculated by averaging vision-targeted subscale scores, excluding the general health rating question.

Participants will read a short article. They will be asked to grade their reading difficulty between 1 (unable to read) to 10 (able to read without difficulty). Time to read article will be recorded. Reading task will be performed with best correction - with and without the assistance of the OrCam device.

Subjects will utilize OrCam daily for one month. Each week, subjects will record thoughts about the device in a log book or by using audio tape recorder, according to patient's personal preference.

Final assessment at 1 month will include best-corrected visual acuity (ETDRS), NEI-VFQ-25, and the newspaper-reading task with and without OrCam assistance. A satisfaction questionnaire will be completed in order to assess subjects' overall feelings regarding OrCam. Audio log books will be analyzed for specific factors and recorded by a research assistant. ;

Study Design

Related Conditions & MeSH terms

Glaucoma

Clinical Trial Details

NCT number	NCT02526680
Study type	Interventional
Source	Wills Eye
Contact
Status	Completed
Phase	N/A
Start date	May 2014
Completion date	August 2015

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Does Using a Low Vision Aid Device Improve Quality of Life in Glaucoma Patients?

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms