Carboxymethyl cellulose sodium (CMC-Na) eye drops are a type of eye drop used to treat dry eyes and other eye conditions. CMC-Na is a synthetic polymer that is used to increase the viscosity of the eye drops, making them thicker and more lubricating. CMC-Na is also used to reduce the rate of evaporation of the eye drops, allowing them to stay on the eye longer.
CMC-Na eye drops are available over-the-counter and are often used to treat dry eyes, which can be caused by a variety of factors, including aging, contact lens use, and certain medical conditions. CMC-Na eye drops can also be used to treat other eye conditions, such as blepharitis, conjunctivitis, and corneal abrasions.
When using CMC-Na eye drops, it is important to follow the instructions on the package carefully. Generally, the eye drops should be applied to the affected eye(s) two to four times per day. It is important to not touch the dropper tip to the eye or any other surface, as this can contaminate the eye drops and cause an infection.
The most common side effects of CMC-Na eye drops are temporary stinging and burning. These symptoms should go away within a few minutes. If the symptoms persist or worsen, it is important to contact a doctor or pharmacist.
CMC-Na eye drops are generally safe for most people, but there are some people who should not use them. People who are allergic to CMC-Na or any other ingredients in the eye drops should not use them. Additionally, people who have had recent eye surgery or who have a history of eye infections should not use CMC-Na eye drops.
In conclusion, CMC-Na eye drops are a type of eye drop used to treat dry eyes and other eye conditions. They are available over-the-counter and are generally safe for most people. However, it is important to follow the instructions on the package carefully and to contact a doctor or pharmacist if any side effects occur.