Eye drops and preparation method thereof

Abstract

The invention relates to the field of preparation of medical supplies, and particularly discloses eye drops and a preparation method thereof. The eye drops are prepared from the following raw materials in parts by weight: a chitosan derivative, hydroxypropyl methyl cellulose, sodium hyaluronate, an osmotic pressure regulator, a chelating agent, a bacteriostatic agent, sodium perborate tetrahydrate, propylene glycol, boric acid and water. The preparation method comprises the following steps: mixing sodium perborate tetrahydrate and boric acid to obtain a premix; the preparation method comprises the following steps: heating water to 80-95 DEG C, then adding hydroxypropyl methyl cellulose, stirring and dissolving, and then standing to 30-40 DEG C to prepare a primary mixture; weighing a chitosan derivative, adding the chitosan derivative into the primary mixture, uniformly stirring, then adding the premix, and uniformly mixing and stirring to obtain a mixture; and weighing sodium hyaluronate and propylene glycol, adding the sodium hyaluronate and propylene glycol into the mixture, uniformly stirring, finally adding the osmotic pressure regulator, the chelating agent and the bacteriostatic agent, and continuously uniformly stirring to obtain a finished product. The eye drops have the effects of keeping eyes moist for a long time and relieving dry eye symptoms for a long time.

Description

technical field [0001] The present application relates to the field of medical device preparation, and more particularly, to an eye drop and a preparation method thereof. Background technique [0002] With the change of people's life style and work style, more and more time is spent with eyes, such as long-term viewing of computers, watching TV, playing mobile phones, playing video games, etc., which can easily lead to eye fatigue and dry eyes; Eye drops have gradually attracted people's attention. Eye drops have the effect of relieving eye fatigue and dry eyes. [0003] However, for people who have undergone myopia surgery, their eye fatigue and dry eyes are more serious than ordinary people when they look at computers or mobile phones every day. At present, most eye drops on the market have a short action time and can only relax the eyes for a short time. It has poor persistence, and people who have had myopia surgery sometimes even need to drop eye drops every half an ho...

AI Technical Summary

Problems solved by technology

[0003] However, for people who have undergone myopia surgery, eye fatigue and eye dryness are more serious than ordinary people when they look at computers or mobile phones. At present, most eye drops on the market have a short action time and can only temporarily relax the eyes. People who have undergone myopia surgery sometimes even need to drop eye drops once in half an hour or an hour. Frequent instillation of eye drops containing antibiotics or bacteriostatic agents can easily cause people to be overly sensitive to eye drops. Dependence, and the more times you add eye drops, the easier it is to affect the balance of eye flora, which will aggravate the impact on eye health

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