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Ophthalmic drug administration is the administration of a drug to the eyes, most typically as an eye drop formulation. Topical formulations are used to combat a multitude of diseased states of the eye. These states may include bacterial infections, eye injury, glaucoma, and dry eye. [1]
A balanced salt solution (BSS) is a solution made to a physiological pH and isotonic salt concentration. Solutions most commonly include sodium, potassium, calcium, magnesium, and chloride. [1] Balanced salt solutions are used for washing tissues and cells and are usually combined with other agents to treat the tissues and cells.
Syringe designed saline drops (e.g. Wallace Cameron Ultra Saline Minipod) are distributed in modern needle-exchange programmes as they can be used efficiently either by injection or ophthalmic (if the drug is potent in small doses) route of administer which is compared to intravenous use; by demonstration, the elimination of latanoprost acid ...
Fluorescein is used to help in the diagnosis of a number of eye problems. [3] When applied as a drop or within a strip of paper to the surface of the eye it is used to help detect eye injuries such as foreign bodies and corneal abrasions.
In a solution containing cells and/or protein, it reduces the loss of cell and/or protein that binds to glass. Some plastic pipettes include a long flexible tube that can be bent for drawing solution from small volume tubes. [9] Plastic Pasteur pipettes are often used in biology where
Saline solution for irrigation. Normal saline (NSS, NS or N/S) is the commonly used phrase for a solution of 0.90% w/v of NaCl, 308 mOsm/L or 9.0 g per liter. Less commonly, this solution is referred to as physiological saline or isotonic saline (because it is approximately isotonic to blood serum, which makes it a physiologically normal solution).
As fluorescein solution changes its color depending on concentration, [26] it has been used as a tracer in evaporation experiments. One of its more recognizable uses was in the Chicago River, where fluorescein was the first substance used to dye the river green on St. Patrick's Day in 1962. In 1966, environmentalists forced a change to a ...
It is formulated as a 3% ophthalmic solution of the tetrasodium salt. Its mechanism of action involves agonism of the P2Y2 purinogenic receptor. [2] References