Camcorders; Computers; Apparatus for recording, transmitting and reproducing sound and images; Downloadable computer application software for mobile phones, portable media players, handheld computers, namely, software for eye care research, eye health screening and monitoring, recording and analysis of visual health data; Downloadable computer programs for use in teaching children to read; Interactive touch screen terminals; Mobile telephones; Tablet computers; Video screens; Wearable computers in the nature of smartglasses; Wearable computers in the nature of smartwatches