HMP (Home Macular Perimeter) -Usability Trial

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00592826
Recruitment Status : Completed
First Posted : January 14, 2008
Last Update Posted : April 14, 2015
Information provided by (Responsible Party):
Notal Vision Ltd

Brief Summary:
The study is divided in two stages. The purpose of the first stage is to evaluate the percentage of subjects that can unpack the device, install it, learn the task and calibrate it according to their personal capabilities. The purpose of the second stage is to assess the ability of the subjects to perform reliable tests .

Condition or disease
Age Related Macular Degeneration

Detailed Description:

Stage I:

  • Receive a packed HMP device.
  • Unpack the device and install it, using a set-up guide
  • Use an interactive tutorial to learn the task
  • Calibrate the sensitivity of the test

This stage will be completed within 1 to 5 visits, depending on personal progress rate.

Subjects who have successfully completed stage I will be recruited to stage II.

Those subjects will:

• Perform 3 tests , each test in a different day

Study Type : Observational
Actual Enrollment : 25 participants
Observational Model: Case Control
Time Perspective: Prospective
Official Title: Phase III Study of the Usability of the HMP Device
Study Start Date : November 2007
Actual Primary Completion Date : January 2008
Actual Study Completion Date : January 2008

Resource links provided by the National Library of Medicine

Primary Outcome Measures :
  1. Proportion of subjects who successfully set up the device [ Time Frame: 1 month ]
  2. Proportion of subjects who successfully pass the training program (successful calibration module) [ Time Frame: 1 month ]

Secondary Outcome Measures :
  1. Proportion of subjects with reliable tests results [ Time Frame: 1 month ]

Information from the National Library of Medicine

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Ages Eligible for Study:   50 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population
Subjects will be recruited in community centers and clinics and will include up to 25 people aged >50 years (Age-related Macular Degeneration age group). The group will be heterogeneous in terms of education, age, ethnic background, and gender. The subjects will be enrolled in one site in the USA In order to get 20 completed subjects, and based of assumption of 25% attrition- 25 subjects will be recruited to the study

Inclusion Criteria:

  • Age >50 years
  • Familiar with computer usage
  • Capable and willing to sign a consent form and participate in the study
  • Ability to speak, read and understand instructions in English

Exclusion Criteria:

  • Subject already participating in another study.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00592826

Sponsors and Collaborators
Notal Vision Ltd
Principal Investigator: Adam Mr Weinstein, MD Kidney Health Center of Maryland

Responsible Party: Notal Vision Ltd Identifier: NCT00592826     History of Changes
Other Study ID Numbers: T3
WIRB Pr. No.: 20071980
First Posted: January 14, 2008    Key Record Dates
Last Update Posted: April 14, 2015
Last Verified: April 2015

Keywords provided by Notal Vision Ltd:

Additional relevant MeSH terms:
Macular Degeneration
Retinal Degeneration
Retinal Diseases
Eye Diseases