Search results
Results from the WOW.Com Content Network
Eye drops or eyedrops are liquid drops applied directly to the surface of the eye usually in small amounts such as a single drop or a few drops. Eye drops usually contain saline to match the salinity of the eye. Drops containing only saline and sometimes a lubricant are often used as artificial tears to treat dry eyes or simple eye irritation ...
Figure 1.0 - Basic anatomical features of the human eye. 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]
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. [4] [5] When given by mouth or injection into a vein it is used to help evaluate the blood vessels in the back of the eye during fluorescein angiography. [3] [6]
The bulb portion is thinner and therefore "squeezable", while the pipette portion is thick enough to be rigid. They commonly come in 1, 2, 3, and 5 ml which comes with a specific drop size of 10, 20, 25, 35, and 50 μL. [7] The volumes are usually marked on the stem, though the markings are rather crude and are not particularly accurate. [8]
Visine (/ ˌ v aɪ ˈ z iː n /), also known as Vispring, is a brand of eye drops produced by Kenvue. [1] Visine was first introduced in 1958 and was acquired by Pfizer in 1999. [2] [3] In 2006, Johnson & Johnson acquired Visine, along with Pfizer's entire consumer healthcare portfolio. [4]
The most common side effect is conjunctival hyperaemia (increased bloodflow in the outer layer of the eye), which occurs in over 10% of people taking the drug. Side effects in less than 10% of people include other eye problems such as itching, foreign body sensation or dry eye, as headache or hyperpigmentation (darkening) of the skin around the eye.
Travoprost, sold under the brand name Travatan among others, is a medication used to treat high pressure inside the eye including glaucoma. [4] Specifically it is used for open angle glaucoma when other agents are not sufficient. [5] [4] It is used as an eye drop. [4] Effects generally occur within two hours. [4]
Artificial tears are lubricating eye drops used to relieve dryness and irritation of the ocular surface. [1] Dry eye syndrome (keratoconjunctivitis sicca) is a common ocular surface disorder and is characterized by disruption of the tear film and increased inflammation. [2]