1. Please cut your nails short and smooth them.

Please wash your hands carefully with hand sanitizer or soap, and rinse off the foam on your hands thoroughly.

3. Lenses are usually divided into two colors.

4. When taking out the lens, dip the concave surface of the lens with the index finger of the right hand and place it in the palm of the left hand.

5. Drop 2-4 drops of nursing solution into the concave surface of the lens, rub it radially outward from the center with the belly of the ring finger of the right hand for 20-30 times, and then rinse the nursing solution on the lens with normal saline until the lens is not slippery.

6. Hold the lens with the index finger of your right hand and put it at the best position of your fingertip, and drop 1-2 drops of artificial tears into the lens (Note: before dropping eye drops on the lens, check the lens to ensure that it is intact and free from serious scratches and cracks. If it exists, please stop wearing it immediately. )

7. Open your eyes as wide as possible with your thumb and forefinger, or put your left middle finger on it. Vertical eyelid fixes the upper eyelid eyelashes on the upper orbit, and the right index finger holds the lens. The middle finger is slightly bent, so that the lower eyelid is fixed below, and you can't blink.

8. After the lens is placed on the black eyeball, loosen the upper and lower eyelids first, and then close your eyes.

9. After glasses are fitted, please pour out the nursing solution in the mirror box, rinse it with normal saline, and open it to dry.

10. Before taking off the lens, wash your hands thoroughly and check whether the lens is on the black eyeball.

1 1. Before taking off the lens, drop 1-2 drops of artificial tears into each eye, lubricate for 3-5 minutes, then drop 1-2 drops of artificial tears, gently push the lower edge of the lens with the lower eyelid, and take it out with a suction stick after confirming that the lens has slipped.

12. When using straws, rinse them with normal saline first.

13. Open your eyes as wide as possible with your thumb and forefinger, hold the suction stick with the other hand, perpendicular to the periphery of the lens, and take off the lens after suction.

14. When removing the lens from the suction cup, hold the lens with your thumb and move it horizontally. Don't take off the lens by force.

15. Please clean the lens repeatedly after taking it off.

16. Pour the nursing liquid into the mirror box, slowly put the lens into the mirror box, and make sure that the lens is in the center of the mirror box, so as not to crush the lens when covering the lid.