Parasite: An organism that derives its nutrition and therefore grows at the expense of another living being

Larva: An immature form of an insect or certain other organisms

Subcutaneous: Just below the skin

Hernia: Protrusion from a wall of a body cavity

Inflammation: Reaction of the body to a foreign body or injury

Conjunctiva: Thin membrane lining the white of the eye and inner layer of the eyelids

Cornea: Transparent dome in the center of the eye

Choroid: Middle layer of the eye

Retina: Innermost photosensitive layer of the eye

Optic nerve: Nerve that carries signals from the eye to the brain

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