As for the data of my medical checkup available only for today, I was shocked to find out my eyesight was getting weaker.
Speaking of the data of my physical examination available only for today, I was shocked to find out my eyesight was getting weaker.
[今日に関して言えば、視力がわるくなったことがとてもショックだった]
～に関して、as for ~. ～に関して言えば、speaking of ~
今日わかった診断結果 the data of my medical checkup available only for today
健康診断 medical check, medical checkup, physical examination, health checkなど
視力 eyesight （より）悪くなる、get weak(weaker)
～が解ってショックだった I was shocked to find out that ~
As for the data of my medical checkup available only for today, I was shocked to find out my eyesight was getting weaker.
Speaking of the data of my physical examination available only for today, I was shocked to find out my eyesight was getting weaker.
日本 
