vision Pad vs VisionC (ETDRS Visual Acuity)

VisionPad is a software that turns the iPad into a visual acuity measurement tool and a complete platform for vision function testing. It makes it simple and accurate to run a wide range of visual tests, displaying optotypes — letters, numbers, and symbols — directly on the iPad screen. Testing distance is configurable from 40 cm to 5 meters. Available tests: - Distance and near visual acuity (letters, numbers, symbols, Snellen E) - Contrast sensitivity - Mesopic and twilight vision - Glare sensitivity and recovery time - Lens performance evaluation - Low vision tests: reading speed and eccentric fixation localization Patient management: VisionPad includes a built-in patient archive with full visit records: refraction, visual acuity, tonometry, clinical notes, and over-time progress charts. Rehabilitation exercises: Visual exercises can be prescribed and transferred to the VisionHT app via Bluetooth or QR code. Results sync automatically at the end of each session. Remote control: The VisionRemote iPhone app lets the operator control VisionPad from a distance.

VisionC is the first ETDRS chart completely configurable to be presented at any distance from 20 cm to 400 cm (1 cm step) and for any Contrast from 0 to 100% (1% step). It is the only one that allows you to control de luminance of the background and the optotype with a low-cost external luminance meter. You can use PicoDisplay App and Pico (Palette) device for this purpose. The visual acuity with the ETDRS is usually measured at three distances (far, intermediate and near) but research studies sometimes differ in the specific distance for each one of the categories. With VisionC you can select the specific distance for each one of these three configurations in such a way you can rapidly access to the specific distance you desire. The App comes with a different set of letters in order to avoid memorization. Therefore either letters for distance, intermediate and near or right, left and both eyes differ to prevent memorization. You can join our community in order to ask any question or to receive support: www.facebook.com/groups/qvisionacademy/