0 an eye problem that changes the shape of the cornea (= the transparent outer covering of the eye) and affects the ability to see normally: --
In advanced cases of keratoconus, corneal transplant surgery is required.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.