Eye testing apparatus comprising transparent bar

Abstract

An eye testing apparatus comprises an elongate bar 2 of optically transparent material. The elongate bar 2 has a first surface 20 which is substantially flat, and a second surface 21 which is curved so that the angle of intersection ( beta , Fig. 3) of the first 20 and second 21 surfaces varies continuously along the elongate bar 2. The bar may have handles 100, (101, Fig. 11) having an opaque spot 104 for testing visual fields and a near vision chart 105. The bar may camp a slidable target (Figs. 7 - 9) to test for convergence and/or accomodation. <IMAGE>

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