Two drops (0.1 mL) of 0.5% ketorolac tromethamine ophthalmic solution, instilled into the eyes of patients 12 hours and 1 hour prior to cataract extraction achieved measurable levels in 8 of 9 patients' eyes (mean ketorolac concentration 95 ng/mL aqueous humor, range 40 to 170 ng/mL).
Restoring the pH of the scalp may help prevent hair loss from dandruff, bacteria or fungus. Every liquid substance on Earth has a pH, or an acid-base, measurement. Very few substances are neutral; most are either acidic, such as vinegar, or basic, such as bleach.
  Lots of things affect urine pH. Lots. Diet, exercise, disease conditions, drugs, and hydration and volume status, are most of the main categories of things that can chan â¦ ge urine pH.nswered by The Community. Making the world better, one answer at a time. Factors that might affect the color, odor and pH of a urine sample include diet, medicines and certain diseases. Other factors might be kidney stones and fluid balance.