1, equipment and workbench should be arranged neatly to facilitate operation and production process.

2. The workshop should be kept clean and tidy, and garbage and sundries should be cleaned regularly to keep the production environment clean.

3. Operators need to be professionally trained and familiar with the production process and the requirements of using production equipment.

4. The workshop should set up a quality inspection department to conduct quality inspection on the produced contact lenses to ensure that the products meet the relevant standards and requirements.