What's often called a contact lens allergy usually is not a true allergy at all – it is your eyes reacting to protein deposits, solution ingredients, or airborne allergens that build up on or around your lenses, causing redness, itching, and watering. Most cases settle once you switch to fresh daily lenses, change your solution, or get advice from an optician, so there is no need to give up on lenses altogether.

Poor vision is a common concern for many people around the world. Understanding what factors lead to vision problems can help you maintain your eye health and prevent worsening vision or eye-related issues. 

Read on to learn about eye conditions that cause poor vision, hereditary eye conditions, and other factors that can affect your eyesight.

Tears are produced naturally by the lacrimal glands (or tear glands) above your eyes and on the inside of your eyelids to keep your eyes moist, comfortable, and healthy. You may also produce tears in response to emotions or physical irritants. The act of crying can help relieve stress and pain, and it can flush debris from your eyes when needed.

What we eat plays a massive role in our overall well-being, and much like a high-performance machine, the quality of fuel you feed ensures that it will operate more efficiently and to its best ability. This is why you've likely heard the familiar phrase 'You are what you eat' at some point in your life.

Greek philosopher Heraclitus once said, "Change is the only constant in life." Whether it is your body, your career, or even your eyesight, at some point in life, it is a given that change will occur. For women, one of the most prominent periods of change often happens in their late 40s or 50s when menopause sets in. This naturally occurring hormonal transition has a wide range of symptoms that can cause issues and unexpected shifts both physically and mentally.