6 diopters

A cow as seen by someone with 6 diopters of nearsightedness

5 diopters

A cow as seen by someone with 5 diopters of nearsightedness

 

4 diopters

A cow as seen by someone with 4 diopters of nearsightedness

 

3 diopters

A cow as seen by someone with 3 diopters of nearsightedness

2 diopters

A cow as seen by someone with 2 diopters of nearsightedness

1 diopter

A cow as seen by someone with 1 diopters of nearsightedness

Full eyesight

And that’s what the cow looks like with the right glasses.

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“With these glasses I can see! Not with my old ones. I didn’t even know that there were different glasses!”

Viviana Chacolla (54), primary school teacher – Santa Cruz, Bolivia