Lægdsruller Nørre Tranders 1823; Why was Niels unfit as a soldier?

[Roger Nelson]

https://www.sa.dk/ao-soegesider/da/billedviser?epid=16481031#18375,1077896

Niels, son of Ole Knudsen; 48/37 -  Why was he determined to be unfit in 1820?
Wagon driver 11 BT ?
Kind regards, Rog Nelson

[Ole Westermann]

Vedtegninger:
1820 Plet paa høire
Øie UtS tt BTK (batterikusk)
----------------
1820 Spot on right
eye, unfit as soldier, fit as battery driver

mvh Ole

[Roger Nelson]

Ole, Mange tak!
Kindest regards, Rog