Artificial tears for dry eyes, what are they?
Artificial tears for dry eyes, what are they? What are artificial tears? Artificial tears or eye lubricant are chemicals that can keep our eyes moist that is use in replacement when there are insufficient tears for the eyes to stay moist. Artificial tears, also known as eyes drop, can help to treat dry eyes condition as well as reducing eyes irritation from air pollution and allergies. It is considered a medication that can be purchase without doctors’ prescription at nearby local pharmacy. Generally, the chemicals that make up artificial tears includes carboxymethylcellulose, hydroxyethyl cellulose, hydroxypropyl methylcellulose and dextran, simply put they are the chemical that help keep our eyes most and feel refresh. How many types of artificial tears and what are their advantages and disadvantages? Eyes drops products that are commercially available can be categorized into 2 main group according to their characteristic which are: 1. Artificial tears in solution form such as water-based or water with oil-based eye drops.The advantages of this types are ease of use without causing temporary blurry vision, many types that can be single or multiple dose and there are also options without preservatives mix in so you can feel assured for long-term usageThe disadvantages of this types are that it last for a short period of time, therefore you will need to reapply a few times per day and artificial tears without preservatives in its chemical composition have short term shelf life, usually