A Comparison of the Checkup Vision Assessment System to Standard Vision Assessment Tools

Status unconfirmed

Conditions studied: Age - Related Macular Degeneration, Diabetic Retinopathy, Metamorphopsia

In brief

The CLEAR study is testing the level of agreement between visual acuity and Amsler grid testing using a mobile vision testing application, Checkup Study, and standard in office methods. In addition the percent of patients able to successfully complete home testing on the digital device will be assessed.

Key facts

Study ID

NCT02871817

Run by

Digisight Technologies, Inc.

People needed

143

Starts

2016-07-01

Expected to finish

2018-03-01

Last updated by the study team

2018-01-26

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Male or female 18 years of age and older
• Best Corrected Near Visual acuity 20/200 or better in study eye(s)
• Able and willing to make the required study visits
• Able and willing to provide consent and comply with study assessments for the full duration of the study.
• Specific Inclusion Criteria for Subgroup with Normal Eyes
• Best Corrected Near Visual acuity 20/32 or better in each eye
• No concurrent systemic illness affecting the retina and vision.
• Specific Inclusion Criteria for Subgroups with AMD or DR
• Diagnosis of either AMD or DR (all subgroups qualify)

You may not qualify if…

• Dementia or other neurologic or psychological limitation that would prevent the patient from performing regular self-testing of visual function
• Other comorbid ocular pathology affecting vision (with the exception of cataract, pseudophakia, refractive error, and/or presbyopia)
• Inability to successfully undergo training and certify ability to self-test with Paxos Checkup
• Inability to return for follow up

Where it is running

• Study site — Phoenix, Arizona, United States
• Study site — Mountain View, California, United States
• Study site — Fort Myers, Florida, United States
• Study site — Miami, Florida, United States
• Study site — Tallahassee, Florida, United States
• Study site — Lexington, Kentucky, United States
• Study site — Reno, Nevada, United States
• Study site — Cleveland, Ohio, United States
• Study site — Nashville, Tennessee, United States
• Study site — Austin, Texas, United States
• Study site — San Antonio, Texas, United States
• Study site — Spokane, Washington, United States

Full record on ClinicalTrials.gov

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