Abstract: An apparatus for visual acuity testing by presenting visual test charts to an examinee by utilizing an electro-optic effect, the apparatus comprising a test charts displaying device in which test charts of a same kind are arranged in each chart line per visual acuity value and constitute a plurality of test chart lines, and test charts in different kind of test chart line individually arranged in a space between test charts in at least a test chart line, and a kind of test charts to be displayed on the test chart displaying device is selected by a selecting device.

Abstract: This invention is directed to attachable eyeglasses in which a brow bracket contacts a wearer's forehead to partly absorb the weight of the attachable eyeglasses. The attachable eyeglasses fit over normally worn eyeglasses. A wide and large front frame is formed in order to conceal the normally worn eyeglasses. By adopting a device having wide temple pieces, a fastener holds the normally worn eyeglasses and the attachable eyeglasses together. The attachable eyeglasses and normal eyeglasses can be worn in a pleasant manner without incurring damage or scratches.