Ford's first Model T engine had four cylinders in a row. Some luxury cars of the 1920s had inline engines with as many as eight cylinders. Engines with as many as 12 or more cylinders in a row have been used, but mainly in large marine and stationary engines. Of course smooth running is only one goal.
In brief: Antibiotic eye drops. They start in hours but they may take 7-10 days to get rid of the bad bacteria. ...If you start antibiotics use them as directed, usually 7 days.. In brief: Antibiotic eye drops. They start in hours but they may take 7-10 days to get rid of the bad bacteria.
Corneal Abrasion Treatment. Antibiotic eye drops or ointment may be recommended to prevent an infection in cases of corneal abrasion. Medicated eye drops to ease pain and inflammation may also be used. Sometimes, doctors temporarily patch the scratched eye. Pain medication may also be given.A minor scratch should heal on its own in one to three days. More severe abrasions may take longer to heal.Here are some tips to help you while your eye heals: 1  Do not wear contacts until your eye has completely healed and your eye doctor says it is safe to do so.orneal Abrasion Treatment. Antibiotic eye drops or ointment may be recommended to prevent an infection in cases of corneal abrasion. Medicated eye drops to ease pain and inflammation may also be used. Sometimes, doctors temporarily patch the scratched eye. Pain medication may also be given.