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.
She had boxes of receipts going back decades. While Leeds says there are financial documents you should keep for life, most can be held three years or less. Here are some quick guidelines on how long to hold the most common small business financial documents: Safe to Shred