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empezar lección

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término		definición
sclera empezar lección		is a tough covering of the eye which gives the eyeball its shape.
cornea empezar lección		The cornea acts as the eye's outermost lens. It functions like a window that controls and focuses the entry of light into the eye.
lacrimal glands empezar lección		are paired, almond-shaped, glands, one for each eye, that make the aqueous layer of the tear film.
Iris empezar lección		It is responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina.
Pupil empezar lección		is a opening, which regulates the amount of light entering the eye.
Ciliary Muscles empezar lección		They hold the sense in place.
Aqueous Humor empezar lección		Fluid filling the space in the front of the eyeball between the lens and the cornea and nourishes them.
Lens empezar lección		is clear, transparent, and convex shaped. It is located behind the iris. It helps to focus light and images on your retina.
Vitreous humor empezar lección		is a jelly like substance which holds the internal structure of the ye in place.
Retina empezar lección		is a thin layer at the back of the eye which is sensitive to light. When an images forms on the retina, a message travels to the brain.
Choroid empezar lección		is a layer behind the retina which contains blood vessels to nourish the retina.
Macula empezar lección		is a area on which sharp images are formed. The macula holds the highest concentration of cone cells.
Fovea empezar lección		In the eye, a tiny pit located in the macula of the retina that provides the clearest vision of all.
Optic Disk empezar lección		holds no photoreceptors which means no images are formed which means its a blind spot.
Blind spot empezar lección		is an area on the eye where it does not contain light-detecting photoreceptor cells.
Optic Nerve empezar lección		connects the eyes to the brain sending the images to the occipital lobe.

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