Careprost eye drop can be used alone or in combination with other drops known as beta-blockers, which also lower blood pressure. Unmistakably, watery fluid in the eyes is responsible for internal eye maintenance. The eye loses fluid frequently, and new fluid is created to replace it. Tension builds up inside the eye if it doesn't empty quickly. Prior to using this medication, remove the contact points. The enlarged strain may cause glaucoma, a disease. Loss of vision may also result from an extreme level of stress. Take short naps to help with fatigue and get up and move around to feel more awake.