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What Is the Shape of the Human Eye?

Answer:

An eyeball is almost a perfect sphere, measuring 24 mm across and the same from front to back, and 23.5mm from top to bottom.

People with short sight (myopia) tend to have bigger eyeballs, about 28-29mm.

People with long sight (hypermetropia) usually have smaller eyeballs, around 20-21mm.

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