Weak eyesight. With reading on screen!

Hello last month my wife and I were eye checkup done in a new eye centre and the doctor was checking up her eyes with Auto refraction machine and by putting glasses on eyes and said to my wife read letter on screen then given final number of eyeglasses, because her first time eye checkup 2 During my time ,I already wear eyeglasses and the doctor checks my eyeglasses and gives me only that number that He sees after putting my both eyes on the refraction machine and he does not put lenses on my eyes for reading on screen and from that I got first time cylindrical and axis number,so I want to know I go for eyeglasses with new number or I have to eye checkup again, please tell me and why doctor not check my eyes with reading on screen