Eyedrops should be removed when contact lenses

Spectacle frames Most people are accustomed to using eye drops as a health care product. If you feel uncomfortable, you may need to point a little and feel comfortable after you finish. According to Yang Xiao, actually, eye drops are divided into different types. The eye drops that are commonly used by the general public in pharmacies to relieve fatigue are generally classified into two types according to their effects. They are lubricated and contracted vascular types.
Lubricated eyedrops mainly play a role in relieving the fluid in the eye and relieving the visual fatigue. The systolic eyedrops are usually used to cope with the bloodshot eyes in the eye. After using overexposed eyes, it is often found that the eyes are covered with bloodshot fibers. Is the performance of conjunctival hyperemia, this time with the effect of such eye drops is more significant.
Some people feel that their eyes are refreshing after using the systolic eye drops. The red blood also disappears quickly. However, this eye drops is used to shrink blood vessels. It is often used after the formation of dependence, and it is very likely that after the use of the eye drops, A rebound occurs and the eyes become redder. Yang Xiao reminded everyone that some people suffering from cardiovascular diseases, in particular, should be cautious with shrinking vascular eye drops, because this type of eye drops is likely to lead to elevated blood pressure, great harm.
Lubricated eye drops have relatively small side effects and are less contraindicated in use, but eye drops with more than 1 ml usually contain a certain amount of preservatives. If used excessively, preservatives may cause some damage to the corneal epithelial cells. It is also worth noting that, "Myopia patients who wear contact lenses must avoid eye drops that contain preservatives as much as possible. Most preservatives will absorb in the lenses and cause damage to the cornea after long-term use. It is recommended to wear invisible lenses. Spectacles try to use preservative-free eye drops,” Yu Minbin said.
Precautions for Eye Drops Use: Eyedrops should be removed. Contact Lenses Contact lenses should be in direct contact with the eye drops. May be absorbed as a preservative. Most of the contact lenses on the market today are hydrogels, and its skeleton structure absorbs water molecules. Drugs and preservatives in eye drops can be absorbed into the lens, changing the transmittance, ionicity, etc. of the lens. Physical properties affect the corrective effect of the lens. In addition, preservatives accumulate in the lenses, prolonged irritation of the eyes, and are prone to allergic reactions.
The soft contact lens of the hydrogel material has low oxygen permeability and easily causes corneal epithelial edema when worn for a long time. Eye drops are often used when there is a disease in the eye. Wearing contact lenses of hydrogel material at this time will increase the burden on the eye surface, especially when suffering from epidemic hemorrhagic conjunctivitis (commonly known as “red eye disease”). Stop wearing contact lenses.
Some eye drops, such as rifampicin eye drops, are brownish red in nature and can color the lenses after use, affecting the rate of light transmission and the number of diopters.
There are special eye contact lenses for eye contact lenses on the market. Their composition has taken into account the physical properties of the lens materials, water content, etc., and can be used during contact lens wear. People who wear habits of contact lenses at ordinary times should preferably control the time for wearing hydrogel lenses within 6-8 hours. For special needs, it is necessary to use eye drops while using contact lenses. It is recommended that eye drops be used first. After 15 to 20 minutes of basic eye absorption, wear contact lenses, and wear them at a time that is not too long.
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Metal sheet press feed line is a metal forming process widely used to produce parts for various industries, such as automotive stamping, electronics stamping and appliances stamping and etc.

In the metal sheet stamping industry, we believe that the various types of coil handling equipment are provided by Mayflay. Compact Press Feed Line is one such type. Understanding the complexities of each piece of equipment and how it can be tailored to your business can help you select the right company to help with your needs. We can help you find new or customized equipment built to your specifications to meet your demands.

Press Feed Lines with a programmable controller PLC is to an automatic feeder machine which feeds raw metal material through the progressive die of the stamping press.The metal sheet strip is feed into the automatic feeder after it has been uncoiled from a coil and put through a roller straightener or leveler. Generally, a loop is created prior to the stamping process so a constant rate of strokes per minute can be obtained on the stamping press.

A press must position the material correctly into the die â€“ front to back, side to side and square it with the tool. Along with that, it must also move the proper amount of material into the tool. In some cases, it must gently handle pre-painted coil or those requiring high surface quality coil to prevent scratching it.Usually, the PU rubber roller of straightener and feeder machine is best choose to prevent scratching the metal surface..

A tool or progressive die is mounted on the stamping press.Progressive die stamping consists of several individual work stations, each of which performs one or more different operations on the part. The part is carried from station to station by the stock strip and is cut out of the strip in the final operation.

Over the last several decades, major technology shifts in how Stamping Presses are fed have occurred. As press feed technology continues to evolve, stampers are realizing increased processing speeds, improved processing flexibility, easier setup, better quality and reliability, and numerous other positive end results. 

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