Care and Maintenance of Contact Lenses

Importance of Proper Lens Hygiene

Maintaining meticulous lens care is crucial for ocular health and comfort. Inadequate disinfection practices can lead to microbial keratitis, corneal ulcers, and other serious infections. Regular procedures are essential for preventing protein, lipid, and debris buildup, which can impair vision and cause discomfort.

Approved Disinfecting Solutions

Various types of lens solutions are available, each designed for specific lens materials and usage patterns. Multi-purpose solutions (MPS) are commonly used for rinsing, disinfecting, and storing soft contact lenses. Hydrogen peroxide-based systems offer a high level of disinfection, but require neutralization before lens insertion. Saline solutions are only suitable for rinsing lenses, not for disinfection or storage. Consult an eye care professional to determine the most appropriate solution for your lens type and individual needs.

Step-by-Step Disinfection Procedures

• Hand Hygiene: Always wash your hands thoroughly with soap and water, and dry them with a lint-free towel, before handling your lenses.
• Rubbing and Rinsing: After removing lenses, rub them gently with fingertips, followed by rinsing with the recommended solution. This mechanical action helps to dislodge deposits.
• Soaking: Place the lenses in a clean lens case filled with fresh disinfecting solution. Never reuse solution.
• Case Hygiene: Empty and rinse the lens case daily with sterile solution, and allow it to air dry upside down. Replace the lens case regularly (typically every 1-3 months).

Types of Deposits and Their Removal

Contact lenses are susceptible to deposits from tears, the environment, and cosmetics. These deposits can include proteins, lipids, calcium, and debris. Regular disinfection helps to remove these deposits. Enzymatic cleaners may be required periodically to remove stubborn protein deposits. Avoid using tap water, saliva, or homemade solutions for rinsing or storing lenses, as they can introduce harmful microorganisms.

Handling and Storage of Lenses

Always follow the instructions provided by your eye care professional and lens manufacturer. Store lenses in the recommended solution when not in use. Avoid exposing lenses to water, such as during swimming or showering, unless wearing airtight goggles. Never share lenses with others.

Warning Signs and Complications

If you experience any redness, pain, blurred vision, excessive tearing, or light sensitivity, remove your lenses immediately and consult with an eye care professional. Ignoring these symptoms can lead to serious ocular complications.