Testing
Bedside vision tests on your phone
For true-size optotypes, calibrate your screen once.→Most usedSnellen ChartCalibrated letters, tumbling E & numbers
Acuity
Near Reading Cards
Reading, pocket screener, kids symbols & reading speed
Acuity
Vision Test
Guided self-paced acuity estimate
Macula
Amsler Grid
Tap to map metamorphopsia & scotomas
Color
Color Vision
Pseudo-isochromatic plate screen
Contrast
Contrast Sensitivity
Pelli-Robson style triplets
Refraction
Duochrome
Red-green refraction endpoint
Binocular
Worth 4 Dot
Fusion, suppression & diplopia
Neuro
Red Desaturation
Optic neuropathy screen
Cornea
Cobalt Blue Light
Blue light for fluorescein staining
Neuro
OKN Drum
Optokinetic stripes, speed & direction
Strabismus
Parks-Bielschowsky
3-step test for vertical deviations
Pediatric
Peds Fixation
Animated targets for children