The anterior segment of the eyeball, directly behind the cornea, is filled with a clear, salty fluid called:
Explanation
Answer: A - The anterior segment of the eyeball, directly behind the cornea, is filled with a clear salty fluid called the aqueous humor. Light from the aqueous humor enters a convex disc suspended behind the iris, which is called the crystalline lens. After the light passes through the crystalline lens, it enters the vitreous humor, which is the jelly-like substance that fills the posterior chamber of the eyeball.