Etymology:
Meaning and Origin:
The sclera is the white, opaque outermost layer of the eye, covering most of the eyeball except for the cornea at the front. It is the largest and toughest part of the eye, providing structural support and protection for the more delicate inner structures.
The term "sclera" comes from the Greek word "σκληρά" (sklērá), meaning "hard" or "tough." This aptly describes the sclera's role as a protective barrier for the eye. The sclera is composed of dense fibrous tissue, primarily collagen and elastin, which gives it its characteristic whitish color and strong structure.
The word "sclera" was first used in the context of the eye by the ancient Greek physician Hippocrates (c. 460-370 BCE) in his treatise "On Injuries."
Etymology Greek sklēros meaning hard or tough Meaning A condition characte
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