ChesterCreekTech has two keyboards with large letters printed on the keys which help improve readability and also reduce eyestrain. The VisionBoard2 has oversized 1″ square keys that are available with black on white or black on yellow letters and numbers. The keyboard is designed for the visually impaired, the elderly - or just anyone with big fingers. The company also has another similarly designed keyboard, the KinderBoard, which also has 1 inch square keys. This keyboard ...