14-07-2022 дата публикации
Номер: AU2020400986A1
Принадлежит:
4ize Pty Ltd
A portable apparatus for determining refractive error in the human eye comprises an elongate base rail having a left side base rail portion and a right side base rail portion; a first lens carrier housing mounted on the left side base rail portion, a first lens carrier carrying a plurality of corrective lenses and being substantially housed within the first lens carrier housing so as to expose a corrective lens of the first lens carrier in a test position of the first lens carrier housing; a second lens carrier housing mounted on the right side base rail portion, a second lens carrier carrying a plurality of corrective lenses and being substantially housed within the second lens carrier housing so as to expose a corrective lens of the second lens carrier in a test position of the second lens carrier housing; a first user operable control adapted for moving the first lens carrier relative to the first lens carrier housing and a second user operable control adapted to move the second lens carrier relative to the second lens carrier housing, whereby the first user operable control and the second user operable control are each movable to select a corrective lens to be exposed in the test position of the respective carrier housing. and wherein the portable apparatus includes at least one of (a) the base rail is adapted to be foldable at a middle portion thereof and (b) one of the first lens carrier housing and the second lens carrier housing is detachable from the respective left side base rail portion or right side base rail portion.
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