This info was included in attachment of e-mail sent by recruiting office of FFL. I
dont`t understand what those other numbers mean but there is mentioned
correction in dioptres of -10, sounds bit heavy to me.
2 – Medical aptitude:
Minimum visual acuity:
* uncorrected: minimum 0,5 for each eye
* corrected: or [7/10 and 2/10], or [6/10 and 3/10] or [5/10 and 4/10] (total: 9/10
with the two eyes)