Sclera lenses are unlike any other contact lens in the market. They are for medical use or cosmetic use, are made from a hydrogel material, which is designed for comfort wear over extended periods of time. It allows higher oxygen to permeate the eyes, it is not cheap and adds quite a bit to the cost of these lenses.
All contact lens users have heard horror stories about contacts at some point in their life, but the truth is that the chances of getting an infection when wearing contact lenses is incredibly low. However, almost all infection cases have to do with poor hygiene, which is why it's important to disinfect your contact lenses correctly and regularly.
The general consensus is that disposable daily contact lenses are your best choice and the environment.Compared to the other two options, disposable daily contact lenses do not require cleaning after each use. That way, you've removed the contact lens solution, buying new contact cases and cleaning in one fell swoop out of the environment. And, you can soon recycle 100% of your contact lenses.