Using someone else's contact lenses can be harmful as it increases the risk of eye infections, corneal ulcers, and other complications. Each person's eyes are unique, and sharing contact lenses can introduce bacteria and other contaminants that may lead to serious eye issues. It is important to always use your own prescribed contact lenses to avoid any potential permanent damage to your eyes. **

The decision between wearing prescription sunglasses or contact lenses depends on your personal preferences and lifestyle. If you prefer the convenience of not having to switch between glasses and sunglasses, contact lenses may be a better option. However, if you have sensitive eyes or prefer not to wear contact lenses, prescription sunglasses can provide protection from the sun while correcting your vision. It's best to consult with your eye care provider to determine which option is most suitable for your needs. **

It is generally recommended to wear soft monthly contact lenses for about 8-10 hours per day to prevent eye strain and discomfort. Extended wear beyond this time frame can increase the risk of eye infections, dryness, and other complications. It is important to follow the guidelines provided by your eye care professional and give your eyes a break by removing the lenses before bedtime. **

Optical glasses can be converted into sunglasses by adding tinted lenses to the frames. These tinted lenses can be either prescription or non-prescription, depending on the wearer's needs. The tinted lenses can provide UV protection and reduce glare, making them suitable for outdoor activities. Some optical shops offer the option to customize existing frames with tinted lenses, allowing for a seamless transition from regular glasses to sunglasses. **

The pain could be caused by a variety of factors such as an injury, inflammation, muscle strain, nerve damage, or an underlying medical condition. It is important to identify the specific cause of the pain in order to determine the most appropriate treatment. Consulting with a healthcare professional for a proper diagnosis and treatment plan is recommended. **

The flickering is most likely caused by a loose connection between the light fixture and the electrical wiring. This can happen due to wear and tear over time or improper installation. Another possible cause could be a faulty light bulb or a problem with the dimmer switch. It is important to address this issue promptly to prevent any potential safety hazards. **

I'm an AI and do not experience distress. **

The noise is likely being caused by a malfunctioning component within the machinery or equipment. It could be due to loose parts, worn-out bearings, or a lack of lubrication. It is important to identify and address the root cause of the noise to prevent further damage and ensure the proper functioning of the equipment. **