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  Wearing the wrong glasses power can affect how clearly you see and may cause symptoms such as headaches, eye strain, blurred vision, or difficulty focusing. What Happens If You Wear the Wrong Glasses Power? The effect can vary depending on whether the prescription is slightly or significantly different from what your eyes need. If your glasses do not feel comfortable or your vision remains unclear, an eye examination can help identify the correct prescription. What Does the Wrong Glasses Power Mean? Glasses are prescribed based on measurements taken during an eye examination. These measurements help determine the lens power required to correct problems such as short-sightedness, long-sightedness, or astigmatism. The wrong power may mean that your glasses are too strong, too weak, or have an incorrect cylindrical or axis measurement. Sometimes, an old prescription may also become unsuitable as your eyesight changes. Wearing an incorrect prescription does not usually cause permanen...

  Losing weight is often beneficial for overall health and can help reduce the pressure placed on the knee joints. However, some individuals experience new or worsening knee pain after losing weight. This can be surprising, particularly when weight reduction is expected to make movement more comfortable. Why Do Some People Develop Knee Pain After Losing Weight? The reasons can differ from person to person. Changes in exercise routines, reduced muscle strength, nutritional deficiencies, previous injuries, or underlying joint conditions may contribute to knee discomfort. Sometimes, weight loss allows individuals to become more active, making an existing knee problem more noticeable. Understanding the possible causes can help you determine whether simple lifestyle adjustments may be helpful or whether an orthopedic consultation is necessary. Can Weight Loss Lead to Knee Pain? Losing weight does not generally damage the knee joints. In fact, reducing excess body weight can decrease th...

  When a cardiologist recommends coronary angiography, patients may also hear about a specialised test called FFR. Understanding this test can help patients learn how doctors evaluate coronary artery blockages and determine the most appropriate treatment. What Is FFR in Cardiology and Why Is It Performed During Angiography? FFR, or Fractional Flow Reserve, is a pressure-based diagnostic technique used to assess whether a narrowing in a coronary artery is significantly restricting blood flow to the heart muscle. The results can help an interventional cardiologist determine whether a blockage may benefit from treatment, such as coronary angioplasty and stent placement, or whether medical management may be a suitable option. What Is FFR in Cardiology? Fractional Flow Reserve (FFR) is a specialised measurement performed during coronary angiography to evaluate the functional impact of a narrowing in a heart artery. An angiogram allows doctors to visualise the coronary arteries and iden...