In recent years, a huge number of various electronic gadgets have firmly entered our lives, turning into a "weapon of point destruction" for the eyes of each user. Daily work at the computer, evening pastime at the monitor or the usual viewing of television programs adversely affect the condition and appearance of the “soul lakes”. Reddened sore eyes are not the best decoration for any person, causing a negative perception in the interlocutor at a subconscious level.
Prolonged sitting at the monitors and wearing contact lenses makes buyers pay attention in the pharmacy to an affordable and effective tool - Visoptic eye drops. Instructions for the use of this ophthalmic preparation for local use classifies it as a vasoconstrictor, anti-inflammatory and decongestant. The international non-proprietary name of the drug is associated with its main active component - tetrizolin.
Composition and form of release
A colorless solution of transparent drops containing the active substance, tetrisoline hydrochloride, is a Visoptic drug. Instructions for use states that the concentration of the main active ingredient is 500 μg per 1 ml of solution (0.05%).
Of the auxiliary compounds in the drug contains: sodium
tetraborate decahydrate, organic salt - disodium edetate dihydrate, as well as boric acid,
benzalkonium chloride and purified water. The Visoptic drug solution can be purchased at the pharmacy in a convenient 15 ml plastic dropper bottle, packed in a cardboard box with the specified manufacturing date.
Storage and shelf life
The storage temperature of the drug should vary between 15-25 degrees. Drops for eyes should be kept away from children's attention. Shelf life of unopened packaging is 5 years (60 months), when opening the drug Visoptic, the instructions for use recommend that the contents be used for four weeks at the prescribed dosage. The rest of the drug must be disposed of, as it loses its healing properties.
The effect of the drug "Visoptic"
This drug belongs to the pharmacological group of alpha-adrenergic agonists that stimulate alpha-adrenergic receptors, it contributes to vasoconstriction and has a decongestant effect.
The drug "Visoptic" (eye drops), the instruction recommends for topical use. It helps to reduce swelling of the conjunctiva, relieve burning sensation, eliminate soreness of the mucosa, stop lacrimation. The therapeutic effect after instillation occurs within 1-4 minutes and lasts up to four, and in some cases even up to 8 hours.
Visoptic: indications for use
A drug such as Visoptic should be used at the initial stage of eye irritation and redness. If burning, itching and hyperemia of the conjunctiva is caused by infection or the presence of a foreign body, as well as trauma to the cornea (due to a chemical preparation or poor-quality cosmetics), then it is better to consult an optometrist.
Constant sitting at the computer, the presence of a fan or air conditioner, wearing contact lenses or active smoking can trigger the appearance
of dry eye syndrome. Initial discomfort in the eyes and slight redness will help remove Visoptic drops, but if complications occur, timely medical diagnosis and adequate treatment are necessary. Annotation to tetrizoline, the main component of a medication, recommends it for moderate eye irritation, accompanied by itching, swelling, conjunctival hyperemia, burning, tearing, scleral injection due to chemical or physical factors: dust, cheap cosmetics, swimming in a pool of chlorinated water , as a result of exposure to bright light, radiation from a TV or laptop.
Visoptic drops are also indicated for allergic conjunctivitis, but in this case the drug is used to alleviate symptoms in the treatment of the disease.
Contraindications to the use of the drug "Visoptic" (eye drops)
Instruction manual strictly prohibits the use of this drug in: glaucoma, bacterial infection of the eye, endothelial-epithelial dystrophy of the cornea, the presence of a foreign body, as well as acute cardiovascular failure, hypersensitivity to the components of the drug and in the childhood of the patient (up to three years). Extremely carefully prescribed "Visoptic" for arterial hypertension (high blood pressure), hyperthyroidism (problems with the thyroid gland), arrhythmias and diabetes mellitus in a patient. In addition, the presence of a history of pheochromocytoma (adrenal cortex disease), severe organic diseases of the heart and blood vessels (including ischemia), as well as in the treatment of MAO inhibitors and some drugs that interact with tetrizolin, is a reason for the doctor to act with caution. Self-contained complex treatment with vasoconstrictor drops and medications that increase blood pressure can also negatively affect health.
Adverse reactions to the use of the drug "Visoptic"
The patient’s body can respond to the use of tetrisoline locally - by increasing intraocular pressure, reactive hyperemia (redness) of the eyes and a burning sensation, the pupil can sometimes expand. At the systemic level, symptoms of hypertension sometimes appear (due to an increase in blood pressure), as well as tachycardia and arrhythmia, tremors, hyperglycemia, headache and dizziness, weakness and nausea, insomnia or drowsiness, allergic reactions to the components of the drug.
Dosage of the drug and method of its use
For adults or children over three years of age, the Vizoptik drops recommend that they be instilled in 1-2 pieces at most two to three times a day. Such a procedure should be carried out with thoroughly washed hands with soap, so as not to infect the delicate ocular epithelium.
Drop the medicine into the lower conjunctival sac of the reddened eye. The temperature of the eye drops "Visoptic" should not be lower than room temperature, otherwise spasm of the eyelids can prevent the drug from getting to the affected area. If after two days (48 hours) there is no marked improvement in well-being, then you should consult a doctor, stopping the further use of tetrisoline.
Overdose
The risk of the occurrence and development of symptoms of excess dosage is possible if the medication is accidentally taken orally. Young children are especially prone to it when they swallow the medicine. Overdose can be determined by the resulting drowsiness due to depression of the central nervous system, excessive sweating, pronounced hypotension, up to a shock state. In adults with an overdose, pupil dilatation, fever, nausea, cyanosis, signs of seizures, arrhythmia, hypertension, dyspnea, and pulmonary edema may occur.
Excessive absorption of imidazole derivatives threatens with hypothermia, drowsiness, bradycardia, apnea, and even collapse or coma. First aid for the initial signs of an overdose is gastric lavage, the use of activated charcoal as prescribed, oxygen inhalation, as well as symptomatic treatment with antipyretic and anticonvulsants, drugs that lower blood pressure.
special instructions
During pregnancy and during the lactation period, Visoptic eye drops are recommended for use only in cases of emergency and in doses when, according to the doctor, the benefit of the mother’s treatment exceeds the perceived risk to the child or fetus.
Visoptic: analogues
Substitutes of the Visoptic drug are not inferior to each other in treatment effectiveness, but differ significantly in cost. If Vizoptic, Montevizin and Tizin are almost equivalent, then Vizin, Vizin Classic and Octilia will force the buyer to pay twice as much. "Berberyl N" in pharmacies is extremely rare.
Opinions about the drug
Everyone who spends hours at the computer in their free time loves to read e-books and cannot imagine life without constant communication with a smartphone, periodically complain of unpleasant symptoms: dryness, itching, burning eyes, they show redness and lacrimation.
Whatever drops they initially used, Visoptic eye drops were admired from these people. The cost of this medication is two times lower than the widely known Vizin drops, and the quality is identical. Users note that the drug quickly removes redness, "veil" from the eyes, eliminates dryness, burning and itching. The effectiveness of drops pleases everyone who used this tool. Someone calls Vizoptik his assistant for tired eyes, someone affectionately calls the drug a "lifebuoy." Of the minuses, buyers note only a short period of use when opening the bottle - 4 weeks. You can buy the drug today for everyone who has no contraindications - it is allowed for vacation in over-the-counter departments of pharmacies.