WARNING: This application is designed for tablets, 6"+ phones and TV's with a minimal resolution of 1920x1080 (1080p). To sign in is required a Optonet Vision Unit user account (https://optonet.es). Optonet Vision Unit contains an extense selection of tests for a complete vision exploration, including the refraction state studying, binocular and health visual system. It's targeted to Optometric health proffesionals, as a essential clinic tool. The Unit allows to explore the following visual functions: - Refraction - Visual Acuity - Astigmatism - Accommodative Response - Binocular Vision - Next Convergence Point - Measure of the Heterophoria (von Graefe and Maddox) - AC / A ratio - Horizontal and Vertical Fixing Disparity - Associated Phoria - Cycle deviation - Suppression (Foveal and Worth Test) - Aniseiconia - Stereopsis - Prescription of Prisms - Eye Health - Macular and neuronal function - Contrast Sensitivity - Incomitant deviation valuation