Final answer:
The available size for Acuvail ophthalmic solution 0.45% varies and can be found on the product packaging or by consulting with a pharmacist.
Step-by-step explanation:
The available size for Acuvail ophthalmic solution 0.45% is usually given in milliliters (mL). However, the provided information does not specify the exact size for this particular ophthalmic solution. It is best to refer to the product packaging or consult with a pharmacist for the available size of Acuvail ophthalmic solution 0.45%.