Eye drops Midimax is a topical drug used to rapidly dilate the pupils. In addition, it causes a short-term spasm of accommodation. It is used during preparation for various diagnostic studies: examination of the fundus, determination of refraction and others. It can also be used as part of a complex therapy for various inflammatory eye diseases.
Content
1Description of the preparation
2Pharmacological action and group
3Indications and contraindications in use
3.1In pregnancy
3.2To small children
4Possible complications caused by the drug
5Video
6conclusions
Description of the preparation
Midimax is an ophthalmic preparation of local action that promotes the dilatation of the pupils.It is a clear liquid, it can be colorless or brownish-yellow. The main active ingredient are finylephrine hydrochloride and tropicamide. Additional constituents of the solution substance:
Benzalkonium chloride;
Hypromellose;
Sodium metabisulfide;
Sodium hydroxide;
Hydrochloric acid;
Water for injections.Drops of Midimax used to dilate the pupils
Produced in 5 ml vials with a dropper, packed in cardboard boxes.
Midrimax eye drops are not intended for self-administration. It is dispensed in a pharmacy under the prescription of a doctor.
Before carrying out the diagnostic study or treatment, as a rule, one drop is injected into the conjunctival sac 15 to 30 minutes before the procedure. For therapeutic purposes, 2 drops are added to each eye, up to 6 times a day. After instillation it is recommended to easily apply pressure to the conjunctival sac.
Eye drops Midrimax incompatible with soft contact lenses. They must necessarily be removed before instillation. Wear them preferably not earlier, 15 - 20 minutes after this.
Shelf life in a cool place protected from sunlight is 2 years. The drug should not be frozen.
Midimax refers to the pharmacological group M-holoinoblokatory. After contact with the eye, phenylephrine is rapidly absorbed, causing a narrowing of the vessels. At the same time, it promotes the development of a short-term paralysis of the smooth muscles of the conjunctiva. Tropicamide causes an intensive outflow of intraocular fluid and the development of a spasm of accommodation.It promotes increased intraocular pressure.
Midimax increases intraocular pressure
The drug has almost no chronotropic effect on the heart.
The drug easily penetrates the tissues of the eye, sucking in 10 - 20 minutes. After that, it quickly penetrates into the total bloodstream. The normal size of the pupil is returned within 6 hours.
Indications and contraindications in use
The main indication for the use of the drug is the conduct of various diagnostic studies that require dilatation of the pupils.It is also used during preparation for surgery and laser correction before the eyes. Also used in the complex therapy of inflammatory eye diseases, often accompanied by the formation of adhesions.
Midimax used in biomicroscopy of the eye
Midimax is used only as directed by a doctor.
Categorically, you can not use Midimax:
People under the age of 18;
With individual intolerance of the drug components;
When glaucoma, first of all with a closed-angle form;
With chronic diseases of the cardiovascular system;
In pregnancy;
During lactation;
Thyrotoxicosis;
Acceptance of MAO inhibitors, and also 3 weeks after their cancellation.
With caution apply the drug in elderly people who have pathologies of the cardiovascular system, as well as diabetes mellitus type 2.
In pregnancy
The drug can not be used at any time of pregnancy.This is due to the fact that its active substance falls into the total bloodstream, which can create a hazard to the fetus.
You can not use Midimax during breastfeeding, as it penetrates into breast milk. If this drug is necessary, breastfeeding should be discontinued.
To small children
The drug is intended for adults only.It can not be categorically used by children under the age of 18.
Possible complications caused by the drug
When using Midimax, there may be such side effects:
Burning;
Blurred vision;
Accommodation paresis;
Photophobia;
Increased intraocular pressure;
Superficial point keratitis.
Sometimes such complications can arise:
Dryness of skin and mucous membranes;
Tachycardia;
Nausea;
Vomiting;
Psychological arousal;
Headache;
Pale skin;
Convulsions.
In rare cases, severe complications such as respiratory paralysis or coma may occur.
Video
conclusions
Midimax is an eye drop that can temporarily cause pupils to dilate. This effect is provided immediately by 2 active substances: phenobarbital and tropicomide. Most often the drug is used in ophthalmology, in preparation for diagnostic studies and surgical operations.
