Measuring of Neuro-visual Functionality With Ocusweep

Ocuspecto

Status: Unknown

Conditions: Visual Impairment

Treatments: Device: Ocusweep OcuRT; Device: Ocusweep

Study type: Interventional

Funder types: Industry

Identifiers

NCT02258113

T109/2014

Details and patient eligibility

About

The aim of this study is to measure visual acuity, contrast sensitivity and visual field by SAP-method using a novel device Ocusweep compared to currently widely used methods. Addition to that, the aim is to validate a novel perimetry method (Visual Search Test, VST) which is based on reaction times in visual decision- making task, where the subject is allowed to move eyes and where the fixation is verified by the subject himself in contrast to standard automatic perimetry (SAP) where prolonged stationary fixation and external fixation monitoring apparatus is required. Reaction-time based visual field device Ocusweep is compared to generally used SAP methods. Those tests will be done for healthy volunteers and for persons with diagnosed eye or brain disease.

Ocusweep OcuRT vision based choice reaction time test is validated for test repeatability and compared to Trail Making Test (TMT), Useful Field of View (UFOV) and Vienna Test System (VTS) reaction time tests. To evaluate the ability to detect unreliable results, OcuRT test is also done under cognitive load and with instructions to cheat the test.

Enrollment: 600 estimated patients

Sex: All

Ages: 18 to 95 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Healthy volunteers
• Persons suffering diagnosed eye disease
• Persons suffering diagnosed brain disease

Exclusion criteria

• No diabetes
• Only one diagnosed disease

Trial design

Primary purpose: Health Services Research

Allocation: N/A

Interventional model: Single Group Assignment

Masking: None (Open label)

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600 participants in 1 patient group

LEA numbers, Pelli-Robson, Octopus

Other group

Description:

Comparable generally used method for measuring visual acuity, contrast sensitivity and visual field.

Treatment:

Device: Ocusweep

Device: Ocusweep OcuRT