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Alcon's (ALC) new preservative-free solution for patients with dry eye symptoms is the latest addition to its leading global artificial tear brand Systane.
Preservative-free artificial formulations are indicated for patients who cannot tolerate artificial tear formulations with preservatives, patients who are using artificial tears more than four to six times a day, [10] and patients who are using multiple topical eye drops with preservatives. [9] Preservative-free eye drops are found in single ...
Aritificial eye drops and eye ointments may be used to keep the eyes moist. [3] Since frequent use of eye drops with preservatives can promote inflammation, it is better to choose preservative free artificial tear drops and lubricating eye drops. [7] Bandage silicone hydrogel or scleral contact lens may be used to protect cornea. [3]
ReNu is a brand of soft contact lens care products produced by Bausch & Lomb. [1] By far the most popular brand of lens solutions until 2006, ReNu has rebranded its formulations as renu sensitive (formerly ReNu Multi-Purpose) and renu fresh (formerly ReNu MultiPlus), the latter containing a patented ingredient called hydranate, known by chemists as hydroxyalkylphosphonate, that removes protein ...
Benzalkonium chloride is a frequently used preservative in eye drops; typical concentrations range from 0.004% to 0.01%. [17] Stronger concentrations can be caustic [18] and cause irreversible damage to the corneal endothelium. [19] Avoiding the use of benzalkonium chloride solutions while contact lenses are in place is discussed in the literature.
Contact lens solutions often contain preservatives such as benzalkonium chloride and benzyl alcohol. Preservative-free products usually have shorter shelf lives, but are better suited for individuals with an allergy or sensitivity to a preservative.
Initial treatment after trauma/injury includes preservative-free artificial tears, topical steroids, ‘bandage’ contact lenses, and autologous eye drops (eye drops manufactured from the patient's own blood serum and plasma). Once the corneal surface has stabilized, surgery is the main approach to treatment. [5] Types of surgeries:
They also are required to moisturize the eyes with preservative-free tears and follow directions for prescription drops. Occasionally after the procedure a bandage contact lens is placed to aid the healing, and typically removed after 3–4 days.
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