One of the most popular lenses, Biomedics 38 are also known by the as Ultraflex 38 and many other different brand names, but they all offer the same comfort and flexibility. Manufactured in the United States, these lenses are visibly tinted for ease of use but will not change the color of your eyes. Each box of Biomedics 38 contacts contains six lenses in buffered saline.
Material and % of content: 62% polymer (polymacon), 38% water
1 Can Biomedic 38 contact users use Acuvue contacts?
A Biomedic 38 contact wearer should not have a problem using Acuvue contacts, though you may notice some differences in the way the lenses feel and how your eyes respond to them. Most Acuvue contacts generally contain a higher water content than the Biomedic 38 contact lenses, and some may be made out of different materials. The Acuvue Oasys lense has the same water content as the Biomedic 38 lenses, so it might be the closest match. It is important to talk to your eye doctor to determine the correct contact lens for your needs, and to ensure a correct fit.
2 How long can I wear Biomedic 38 contact lenses?
Biomedics 38 contact lenses are disposable 1-2 week lenses, which means they are intended for daily wear for up to 14 days before they need to be replaced. The exact amount of time you will be able to wear your Biomedic 38 contacts will depend on your personal usage. If you’re not wearing them every day, you may not need to replace them on the 14th day. Most people find that they wear their contacts between 12 - 14 hours a day. Consult with your optician about the optimal wearing and replacement schedule for you needs.
3 Can I wear Biomedic 38 contacts to sleep?
It is generally not recommended that you wear any contact lenses to sleep. Overnight contact lense wear is associated with a number of complications and may endanger your long-term eye health. However, Biomedic 38 contacts are approved by the FBA for overnight (“extended”) wear, meaning that in some cases, with your eye doctor’s permission, Biomedics 38 contact lenses may be worn consecutively for up to 6 nights, followed by at least 1 night with the lenses out.
4 What is the difference between Biomedic 38 versus Biomedic 55?
The main differences between Biomedic 38 contact lenses and Biomedic 55 contact lenses are the water content of the lenses and the material that they are made of. Biomedics 38 contact lenses are considered low water content (38%) and are non-ionic. They are made of Ploymacon. Biomedics 55 lenses have a much higher water content (55%), and are ionic, made from ocufilcon D. The differences in feel and wear will depend on your personal eye chemistry, so consult with your eye doctor to identify the correct contact lense for your needs.