According to Contact Lens Manufacturer and Ophthalmologists, the best way to clean contact lens is through physical rubbing. A typical contact lens user manual would suggest applying 1 or 2 drops of cleaning solution on the lens and hand rubbing gently with a circular motion for about 15 seconds. The manual rubbing process is proven effective in removing protein and lipid deposition on the lens, however it has its limitations.

Firstly, our fingertip is often larger than the lens. it is hard to reach the concave of the lens without distorting it.

Secondly, the manual rubbing process focuses on cleaning the inner side of the contact lens. However, since the eyelid coats the tear fluid on the outer surface of the lens when we blink and the moisture of the tear fluid evaporates, the outer surface of the lens collects more residue than the inner side. With the existing hand rubbing method, it is difficult to remove the residue on the outer surface of the lens.

Lastly, nails, calluses and dead skin could potentially damage contact lens. Wearing chipped or scratched lens could not only cause discomfort to your eyes but also scratch the front surface of the cornea and cause permanent eye damages.

Ultrasonic cleaners are a popular tool in the world of cleaning, and they are often used to dislodge debris and grime from various objects. However, the question remains: do ultrasonic cleaners work for contact lenses?

The answer to this question depends on several factors,ultrasonic contact lens cleaner including the type of ultrasonic cleaner used, the type of contact lenses, and the amount of debris present on the lenses.

Firstly, ultrasonic cleaners work by generating high-frequency sound waves that create vibrations that agitate substances attached to a surface, causing them to detach and be washed away. This technique is commonly used to clean various types of materials, including metals, plastics, glass, and more.

Secondly, contact lenses come in various types, including gas-permeable (GP) lenses, hydrophilic contact lenses, and hydrophobic contact lenses. Each type of lens requires a different cleaning method, and ultrasonic cleaning may not be suitable for all types of contact lenses.

Thirdly, the amount of debris present on the contact lenses can affect the effectiveness of ultrasonic cleaning. If there is a large amount of debris present on the lenses, ultrasonic cleaning may not be able to dislodge it all. Additionally, if the debris is tightly bound to the lenses, ultrasonic cleaning may not be sufficient to remove it completely.

In general, ultrasonic cleaners can be effective in removing debris from contact lenses, but it is important to use a suitable type of ultrasonic cleaner and a gentle cleaning method for your specific type of contact lenses. Additionally, it is recommended to use a contact lens solution after cleaning to ensure that all debris is removed completely.

If you have any questions or concerns about using an ultrasonic cleaner for your contact lenses, it is recommended to consult with your eye doctor or an optometrist. They can provide you with the best cleaning methods and advice based on your specific needs and conditions.

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