Let's take a minute to talk about your medication. This is Timolol GFS which stands for Gel Forming Solution. These eye drops treat high pressure in the eye, which can be caused by conditions like glaucoma. This can help protect your eyesight from damage or even blindness. You should use this medicine exactly as your doctor tells you to. You will need to turn the bottle upside down and shake it once before using. If you take other eye medicines, you should wait at least 10 minutes after those medicines before you use Timolol GFS. Also, you should wait 15 minutes before wearing contact lenses. You should read the Instructions for Use for full information. It is important to keep the tip of the bottle free from germs. Don't let the tip touch anything and keep the cap on between doses. Most people tolerate Timolol GFS well. Some side effects can occur. These include blurred vision, burning and stinging that can last from 30 seconds to 5 minutes. Wait until your vision clears before performing tasks like operating machinery or driving. If these or other side effects become reasons you want to stop taking this medicine, please talk to your doctor or pharmacist. As with any medicine, more serious side effects can occur. You should talk to your doctor about which symptoms to watch for, and when to report them. If you have heart or breathing problems this medicine may worsen those conditions. Timolol GFS can interact with other medicines. You should always check with your doctor or pharmacist before taking any other medicines. Women taking Timolol GFS should talk to their doctor before becoming pregnant or breastfeeding. For best results, use Timolol GFS exactly as prescribed by your doctor and store your bottle at room temperature.