Hello This is called Clipping you can change far and near clipping (near in your case) you can disable it also got to the viewing option (the eye in viewport) see picture :
patar press “d” key on viewport it will bring up display option and adjust near clip plane
Benjamin Lemoine Hello This is called Clipping you can change far and near clipping (near in your case) you can disable it also got to the viewing option (the eye in viewport) see picture :