Subconjunctival hemorrhage facts A red patch on the white of the eye is a sign of a subconjunctival hemorrhage. The conjunctiva is the thin tissue that covers the sclera. It is the outermost protective coating of the eyeball. The wall of a small blood vessel within the conjunctiva may break spontaneously or from injury, causing …
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What is tobramycin and dexamethasone? How does it work (mechanism of action)? TOBRADEX® ST (tobramycin / dexamethasone ophthalmic suspension 0.3%/0.05%) ophthalmic suspension is indicated for steroid-responsive inflammatory ocular conditions for which a corticosteroid is indicated and where superficial bacterial ocular infection or a risk of bacterial ocular infection exists. Ocular steroids are indicated in inflammatory conditions of the palpebral and bulbar conjunctiva, cornea and anterior segment of the globe where the inherent risk of …
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Ofloxacin (Ocuflox) vs. tobramycin (Tobrex): What’s the difference? Ofloxacin and Tobramycin are antibiotics used to treat bacterial infections of the eyes. Other forms of ofloxacin are used to treat bacterial infections such as pneumonia, bronchitis, staph infections, STDs (gonorrhea, chlamydia), urinary tract infections (UTIs), and prostate infections caused by E. coli. Ofloxacin and Tobramycin are different types of antibiotics. Ofloxacin …
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What is tetracaine ophthalmic drops, and how does it work (mechanism of action)? Tetracaine is a topical local anesthetic for the eyes. Tetracaine works by interfering with entry of sodium ions into nerve cells. This reduces the ability of nerves to generate an impulse and send pain sensations. What brand names are available for tetracaine ophthalmic drops? none Is tetracaine …
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What is a visual field test? Share Your Story A visual field test is an important part of a routine eye exam. A visual field test is a method of measuring an individual's entire scope of vision, that is their central and peripheral (side) vision. Visual field testing maps the visual fields of each eye individually and can detect blind …
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Retinal detachment facts Ophthalmologists treat retinal detachments. A retinal detachment is a separation of the retina from its attachments to the underlying tissue within the eye. Most retinal detachments are a result of a retinal break, hole, or tear. Most retinal breaks, holes, or tears are not caused by trauma (injury) but are due to preexisting factors such as high …
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What is atropine, and how does it work (mechanism of action)? Atropine occurs naturally and is extracted from belladonna alkaloids contained in plants. Atropine blocks the action of acetylcholine, a neurotransmitter that causes the contraction of two types of muscle, smooth and cardiac muscles. It also has other neurological effects. Ophthalmic atropine is used during eye examinations to dilate the …
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What is betaxolol ophthalmic, and how does it work (mechanism of action)? Betaxolol is a beta-adrenergic blocking agent that is used for the treatment of glaucoma. When taken by mouth, betaxolol and other beta-adrenergic blocking agents act mainly by blocking the action of the sympathetic (adrenergic) nervous system, for example, on the heart. In addition to its effect on the …
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Trachoma facts Trachoma is the leading infectious cause of blindness in the world. Trachoma is a contagious and potentially blinding infectious eye disease. The World Health Organization classified trachoma as one of the neglected tropical diseases and the leading infectious cause of blindness in the world. Blindness from trachoma may be preventable by screening and treatment with antibiotics and surgery. …
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What is antipyrine and benzocaine otic (Auralgan, Aurodex – discontinued)? Antipyrine/benzocaine is a combination product used for cleaning the ear canal and for treating middle ear infections. It reduces pressure, congestion, inflammation, pain, and discomfort in the ear. What brand names are available for antipyrine and benzocaine otic (Auralgan, Aurodex – discontinued)? On July, 2, 2015 the FDA asked all …
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