The Brimonist Eye Drop should only be used externally It is important to follow the dosage and duration instructions provided by your doctor Before using the medication if you wear contact lenses make sure to remove them Avoid touching the tip of the dropper to any surfaces as this could contaminate the eye drop For optimal results it is recommended to use the eye drop daily in the evening or at night Common side effects may include a burning sensation itching or temporary blurring of vision If these side effects persist or worsen it is important to inform your doctor If you experience these side effects for an extended period of time please consult your doctor Caution is advised when driving after using this eye drop if your eyes struggle to concentrate or react