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.
But you can usually toss the supporting documents, such as canceled checks and old receipts, three years after you filed your taxes. That's usually how long the IRS has to audit your return, unless you've left out a big chunk of income. If you have any self-employed income, keep the receipts for at least six years.Keep receipts for major home improvements until you sell the house.ut you can usually toss the supporting documents, such as canceled checks and old receipts, three years after you filed your taxes. That's usually how long the IRS has to audit your return, unless you've left out a big chunk of income. If you have any self-employed income, keep the receipts for at least six years.