If you have glaucoma in both eyes, usually only one eye will be treated at a time. Laser treatments for each eye will be scheduled several days to several weeks apart. Studies show that laser surgery can be very good at reducing the pressure in some patients. However, its effects can wear off over time.
The statute of limitations pertaining to customer initiated chargebacks is 18 months from the time the transaction appears on the statements. So, for chargeback purposes it is important to keep you business credit card receipts for 18 month.
Related: How to Keep Your Zen During Tax Season. 3. Scan receipts and keep them at least six years. Yes, the IRS can come knocking for documentation and audit you up to six years back in some cases. However, hoping that the ink on your Home Depot receipt hasn't faded away is a whole other issue.