In Vietnam, while it’s possible to buy contact lenses without a prescription from many stores or online, it’s highly recommended to have a prescription from a licensed eye care professional.
A proper eye exam ensures that the lenses fit your eyes correctly, provide accurate vision correction, and maintain overall eye health. This is especially important to avoid complications like infections or discomfort.

Although not strictly enforced by law everywhere, getting a prescription remains the best practice to ensure the contact lenses you purchase are safe and effective.

Consult an eye doctor or vision care professional to determine the best contact lenses for your prescription and eye health.

Daily contact lenses are discarded after a single use, while monthly lenses can be worn for up to 30 days, and yearly lenses can last up to 12 months with proper care and hygiene.

Yes, there are special contact lenses called toric lenses designed specifically for people with astigmatism.

Always use contact lens solution to clean and store your lenses in a sterile case. Avoid using tap water or saliva.

You should replace your contact lens case every three months to prevent bacterial buildup.

It’s best to avoid wearing contact lenses in water, as this can introduce harmful bacteria into your eyes.

You can use rewetting drops that are safe for contact lenses, or consider switching to lenses designed to retain more moisture.

Most contact lenses can be worn for 8 to 12 hours a day, but it’s best to follow your eye care professional’s advice and pay attention to any signs of discomfort.

Yes, contact lenses have an expiration date printed on the packaging. Be sure to use them before that date to ensure safety and effectiveness.