Glasses Knowledge Quiz（二）
What kind of eye conditions should I stop wearing contact lenses?
Answer: If you experience tingling, photophobia, tearing, red eyes, blurred vision, etc. after wearing, you should remove the lenses immediately, stop wearing them, and ask an optician or doctor to check and treat.
People who wear contact lenses should do a three-step self-examination every day: First, appearance: whether the eyes are red, swollen, or watery; second, feeling: whether there is itching, pain or foreign body sensation; third, visual inspection: Whether the vision of each eye is normal and whether it is blurred or not, if there is no problem with the above three, you can wear contact lenses with confidence.
Why do contact lenses show yellow spots?
Answer: The yellow spots are mainly from iron filings and dust in the air. These spots are the materials that have entered the lens instead of impurities in the air. If the lens has a macula, you should replace it with a new lens.
Can contact lenses be worn for a long time? Will there be bad consequences?
Answer: If you use contact lenses in strict accordance with the instructions for correct use, it should be safe to wear contact lenses for a long time.
Are astigmatism contact lenses thicker than myopia lenses?
Answer: Yes.
Why does myopia appear when wearing contact lenses? What is the reason for the slight ambiguity when looking at nearby objects?
Answer: When wearing the glasses for the first time due to excessive tears, unstable vision, blurred vision, if there are no problems such as excessive power, residual astigmatism, etc., the near vision will be improved as the lens adapts. If you use one If the vision is still unclear for more than a month, further inspection is required.
Daily washing will wear out the lenses, but weekly washing will cause less wear and tear on the lenses, right?
Answer: Clinical studies have not found that the material of contact lenses will wear out due to cleaning. On the contrary, the accumulation of deposits on the lenses will be harmful to the eyes if they are not cleaned daily.
Working in a chemical plant has chlorine and hydrochloric acid. Can I wear contact lenses in this environment?
Answer: The chemical plant is a very special working environment, because harmful gases will endanger your health through the air, and at the same time, the lenses in your eyes will also be affected. Therefore, it is recommended to wear a pair of eye masks while wearing contact lenses, or Wear glasses to prevent contamination by harmful substances.
Why do contact lenses feel aura when worn at night to see the light?
Answer: If you have mild astigmatism, inaccurate fitting luminosity, poor lens assembly, and too small optical zone of the lens, you will have this feeling. It is best to consult a doctor or an optician for examination.
Sometimes I often shed tears when wearing contact lenses, and how do I feel that my eyeballs are stuck tightly?
Answer: The cause is dry eyes. Dry eyes cause eye discomfort. After wearing the glasses, the eyes are irritated and cause a lot of tears. However, after the tears evaporate, the eyes are still very dry, so there is a tight feeling. At this time, some eye moisturizers should be used to relieve The above phenomenon.
Can I wear contact lenses if I have astigmatism?
Answer: Yes, low-degree astigmatism can be equipped with molded contact lenses, and deeper astigmatism can be equipped with astigmatic lenses for contact lenses.
