central control/government/authority Without a strong central authority, the country faces imminent collapse. âº controlling other smaller organizations, departments, etc.: The company announced the relocation of its central office to a greenfield site outside the capital.
Preventing Eye Redness. 1  1. Determine the cause of your eye redness. 2  2. Reduce the amount of time you look at screens. 3  3. Adjust your electronic screens.  4. Avoid 1  smoking. 5. Limit your alcohol intake.  6. Eat a balanced 1  diet. 7. Get plenty of 2  sleep. 8. Manage your allergies.
Vision correction surgery, also called refractive and laser eye surgery, refers to any surgical procedure used to fix vision problems. Recent years have seen huge advances in this field. Refractive and laser eye surgery allow many patients to see better than any other time in their lives. Most types of vision correction surgery reshape your cornea, the clear front part of your eye. That lets light travel through it and focus properly on the back of your eye, or retina.