Strengthening eye muscles and maintaining sharp eyesight involves a combination of lifestyle practices, eye exercises, and a healthy diet. Here are some remedies, exercises, and mixtures that may help:

**Remedies and Medications:**

1. **Bilberry Extract:** Bilberry is rich in antioxidants and may improve blood flow to the eyes, supporting eye health. You can find bilberry extract in supplement form.

2. **Omega-3 Fatty Acids:** Incorporate foods rich in omega-3 fatty acids (such as fatty fish, flaxseeds, and chia seeds) into your diet or take omega-3 supplements. They can help reduce dry eye symptoms and support overall eye health.

3. **Vitamin A and Beta-Carotene:** Consume foods high in vitamin A and beta-carotene, like carrots, sweet potatoes, and leafy greens. These nutrients are essential for maintaining good vision.

4. **Vitamin C and E:** Foods rich in vitamin C (like citrus fruits) and vitamin E (such as almonds and sunflower seeds) can protect the eyes from oxidative damage.

5. **Zeaxanthin and Lutein Supplements:** These carotenoids are found in high concentrations in the eye and may help protect against age-related eye conditions. You can take them in supplement form.

**Eye Exercises:**

1. **Palming:** Rub your palms together to generate heat and then gently place them over your closed eyes. Relax and breathe deeply, allowing the warmth to soothe your eye muscles.

2. **Near-Far Focus:** Focus on an object close to you for a few seconds, then shift your gaze to an object in the distance. Repeat this exercise multiple times.

3. **Eye Rolling:** Slowly roll your eyes in a circular motion, both clockwise and counterclockwise. This exercise helps improve eye flexibility.

4. **Focus Shifting:** Focus on a distant object, then switch your focus to a nearby object. Alternate between near and far distances for a few minutes.

**Mixtures for Eye Health:**

1. **Spinach and Blueberry Smoothie:** Blend spinach (rich in lutein) with blueberries (rich in anthocyanins) for a nutritious eye-boosting smoothie.

2. **Aloe Vera and Rose Water Eye Drops:** Mix aloe vera gel with a few drops of rose water and use this as a natural eye drop to soothe dry eyes.

3. **Fennel and Coriander Infused Water:** Steep fennel seeds and coriander seeds in water overnight. Strain and drink the infused water the next day. Both seeds contain nutrients beneficial for eye health.

Remember that these remedies and exercises may be helpful, but they are not a substitute for professional eye care. If you have specific eye conditions or concerns, it’s essential to consult an optometrist or ophthalmologist for a comprehensive eye examination and personalized recommendations.