Please ensure that the seal of Imudrops DS Eye Drop 05ml is intact before using it for the first time Prior to using the eye drop wash your hands and give the bottle a good shake If you wear contact lenses remove them and wait for at least 15 minutes before reinserting them It may take several weeks before you observe an improvement in your dry eyes so continue using the eye drop as instructed The most commonly reported side effects of this medication include blurred vision and a burning sensation in the eyes If your vision becomes blurred or you experience any changes in your eyesight refrain from driving until your vision clears up This side effect is typically temporary but if it bothers you inform your doctor It is unlikely that other oral or injectable medications will interfere with the effectiveness of this eye drop However it is advisable to consult your doctor if you have previously used a similar medication and had an allergic reaction If you are pregnant trying to conceive or breastfeeding it is important to avoid using this medication