What are the Two Types of Soft Contact Lenses?
Soft contact lenses are probably the most common type of
contact lenses that people wear. They are considered to be a crowd favorite
because of their flexibility and durability. Aside from that, soft contact
lenses are also offered in different colors with or without any vision
correction that can be obtained whether or not you have a prescription from
your eye doctor. Soft contact lenses are the easiest way to change and transform
your old look to a brand new look.
What many of us may not know is that there are 2 types of soft
contact lenses - the hydrophobic and hydrophilic soft contact lenses.
About Soft Contact Lenses
First and foremost, let us learn a brief description of what
soft contact lenses are. Soft contact lenses are a type of contact lens that
easily fits and adjusts to your eyes because it has very high water content.
These contact lenses curve comfortably to the eyes for you not to experience
any problems. Whenever they are inserted to the eyes, they become very soft
and pliant allowing for an easy and pain free contact lens wear time. In addition
to that, because soft contact lenses transmit more oxygen as compared to other
contact lenses, there are lesser chances of accumulating build-ups from dusts,
grease, oils, bacteria and fungi. Soft contact lenses are popularly used and are
known for improving one's vision problems.
The 2 Categories of Soft Contact Lenses
Hydrophobic soft contact lenses
- The first class of soft contact lenses are the hydrophobic contact lenses.
These contact lenses are not the most practical contact lenses that you can
put on because they are made of hard materials. Hydrophobic soft contact lenses
also tend to stick to the eye making them very difficult to remove afterwards.
Furthermore, with hydrophobic contact lenses, water content is very low which
makes them not suitable for the eyes as this will eventually lead to drying of
your eyes. Most hydrophobic soft contact lenses have a water content of less
than 10%, a very low percentage as compared to other contact lenses.
- Materials that are consisted of dimefocon A, cabufocon A and amefocon A are
examples of hydrophobic contact lenses.
- At present time, the use of hydrophobic types of soft contact lenses has
Hydrophilic soft contact lenses
- The second class of soft contact lenses are the hydrophilic contact lenses.
They are also known as "water-loving contact lenses". Hydrophilic soft contact
lenses are made of soft, synthetic materials that allows gas molecules plus water
molecules to pass throughout the contact lens making them very flexible and easy
to handle. It absorbs water in order for your eyes to stay fresh and moist all
- Almost all soft contact lenses are made from hydrophilic materials which
are very much gas permeable. Contact lenses made from hydrophilic materials
have more percent of water content - 10% to 74%. Materials that consist of
alphabilcon A, abafilcon A and etafilcon A are some examples of hydrophilic
- Contact lenses that are hydrophilic are softer and gentler to the eyes than
hydrophobic soft contact lenses. The main reason why they are in demand is because
of the quality it offers, they present immense comfort and your eyes can almost
instantly adapt and adjust to them.
- Hydrophilic soft contact lenses are divided into 2 sub-groups: the disposable
soft contact lenses and classic soft contact lenses.
- Disposable soft contact lenses - the most convenient type of contact lenses.
You can wear them for a day the throw them out the next day. No need to clean and
disinfect them. There are likely lesser probabilities of having cornea and eye
complications as well. Disposable soft contact lenses are recommended for people
who are always on the go and for busy people. A better crisp and vivid vision is
experienced with these lenses because each day means a new and clean pair of contact
lens. They are made of thinner lenses unlike classic or long-time wear contact lenses.
- Classic soft contact lenses - these are hydrophilic soft contact lenses that have
lenses specifically made to have thicker lenses than disposable contact lenses that
needs to be taken care of to avoid any clogging of grimes and germs which means that
regular cleaning and disinfecting are necessary. Classic contact lenses can also be
identified as extended wear contact lenses since it has a life span that can last
from 1 to 2 years.