• Functional Requirements

Adjustable Ptosis Crutches positions the drooping eyelids so as to allow easy blinking through opening and closing of the eye appropriately.

• Usability Requirements

An adjustable Ptosis Crutches are attached to the patient's optical lenses by the optician. The patient upon wearing the optical lenses can adjust the ptosis crutches in the best position appropriate for him or her.

• Safety Requirements

Great care should be taken with the ptosis crutches as well as the optical lenses as they may break when not properly handled.
After use, keep the crutches as advised by the optician.

• Interaction requirements

Adjustable Ptosis Crutches is attached to the frames of the optical lenses of the patient. The crutches interacts with the eyelid and the frames of the lens.