Fig. 2From: A wearable soft robot for movement assistance on eyelid closureEyelid Structure. 1. Orbicularis oculi (sphincter muscle); closes eyelids. 2. Levator muscle of the upper eyelid (striate muscle); opens eyelids. 3. Tarsal plate (connective tissue); contributes to eyelid form and support. 4. Locus of tarsal plate; set as a requirement for eyelid manipulationBack to article page