20+ Anatomy Of Eye Lid. That model will be used to explain the. Eyelid terminology and measurements palpebral fissure the palpebral fissure refers to the normal exposed area between upper and lower eyelids.
Read on for a basic description and explanation of the structure (anatomy) of your eyes and how they work (function) to help you see clearly and interact with your world. The eyelashes help filter out foreign matter, including dust and debris, and prevent these. 15 eyelid anatomy catherine y.
The eyelid skin itself is very thin, containing no subcutaneous fat, and is supported by a tarsal plate.
The levator palpebrae superioris muscle retracts the eyelid, exposing the cornea to the outside, giving vision. It is suspended from the ciliary muscles by the zonule fibers. If you were to split your eyelids into thirds vertically, you would see that the innermost third of both the upper and lower lids contains the puncta. Eyelid terminology and measurements palpebral fissure the palpebral fissure refers to the normal exposed area between upper and lower eyelids.