Contact lenses daily wear

Although practitioners are under no legal duty to contact patients who fail to keep appointments, there are circumstances under which follow-up may be wise. For example, a patient who is undergoing treatment with therapeutic agents and who is in need of further evaluation faces a much higher risk of complication than a daily wear contact lens patient who fails to keep a 6-month recall appointment. Follow-up in the former case may prevent an injury—and a lawsuit. 

Acanthamoeba ocular infection was first described in 1915. Acanthamoeba keratitis can occur in both healthy and immunocompromised individuals and is initiated by contact with contaminated water. Most Acanthamoeba keratitis cases described in the mid-1980s involved daily-wear soft contact lens wearers who were using saline made from distilled water and salt tablets. Cases have also been described in extended-wear soft contact lens wearers and rigid contact lens wearers. In a survey of corneal specialists, it was found that 85% of the reported cases were in contact lens patients using primarily daily-wear or extended-wear soft lenses. 

N. Efron, and P.B. Morgan, Trends in use of silicone hydrogel contact lenses for daily wear. Contact Lens Anterior Eye, 31, 242-243,2008. 

Marketed lens care products fall mainly into the following categories cleaners, disinfectants, lubricants, and multipurpose products. Cleaners are subdivided into daily or weekly cleaners. Disinfectants comprise solutions containing chemical antimicrobial agents, which do not require heating the lenses, and preserved or unpreserved saline solutions, which are used with an electrical thermal device for lens disinfection. These products are also used to rinse contact lenses. Lens lubricants are intended to enhance the comfort of lens wear and are used prior to insertion and during wear. Multipurpose solutions are intended to accomplish... 

---