It depends. The follow information may help you decide if you can have it or not.
1.Your biabetic has affected your retinopathy. To be simple, you have diabetic retinopathy. In this case, even if they do, it won't work.
2.Diabetic patients have slower healing process than normal people, so some doctors may suggest you have Intrastate which takes less time to recovery.
3.Diabetics have variable blood sugar, so doctors may require you to control your blood sugar before you have laser surgery. Variable blood sugar may result in a less accurate measurement of your prescription for your laser surgery.
4. Diabetes can also affect the production of tears, which help combat infection.