Many long-term contact lens wearers struggle with itching, foreign body sensations, and a decreasing ability to tolerate lens wear time.
One major cause is Giant Papillary Conjunctivitis (GPC).
As symptoms progress, continuing with contact lenses can become difficult, leading to a new challenge: “How should I correct my vision?”
In recent years, ICL (Implantable Collamer Lens) has gained significant attention as a breakthrough alternative.

＜Problems Caused by GPC＞
GPC occurs when inflammatory bumps (papillae) form on the underside of the eyelid.
The primary causes include:

• ・Chronic friction from contact lenses
• ・Allergic reactions to protein deposits on the lenses
• ・Excessive wear time

Advanced symptoms may include:

• ・Lenses shifting or sliding out of place
• ・Intense itching
• ・Sticky eye discharge
• ・Total intolerance to contact lenses

＜What is ICL? A New Philosophy in Vision Correction＞
ICL is a vision correction surgery where a lens is inserted into the eye without reshaping or shaving the cornea.
Key differences from standard contact lenses include:

• ・The lens is fixed inside the eye.
• ・It does not touch the eyelids or conjunctiva.
• ・No daily insertion or removal is required.

Because it is not an external lens, it eliminates the friction against the inner eyelid that causes GPC.

＜Why ICL is Ideal for GPC Patients＞
The root cause of GPC is the mechanical irritation between the inner eyelid and the contact lens.
ICL offers a solution because:

• ・No lens on the corneal surface
• ・No conjunctival irritation
• ・No accumulation of deposits

Consequently, ICL is expected to lower the risk of recurrence.
An increasing number of people are considering ICL, especially those who:

• ・Find life inconvenient without contact lenses.
• ・Suffer from recurring GPC.
• ・Have severe dry eye symptoms.
• ・Spend long hours on computers or desk work.

＜ Differences Between ICL and LASIK＞
When thinking of vision correction, many think of LASIK. Here is how they compare:

Feature	ICL	LASIK
Cornea	No shaving required	Shaving required
Reversibility	Lens can be removed	Irreversible
High Myopia	Highly compatible	Limited compatibility
Dry Eye	Rarely occurs	May occur or worsen

Feature	ICL	LASIK
Cornea	No shaving required	Shaving required
Reversibility	Lens can be removed	Irreversible
High Myopia	Highly compatible	Limited compatibility
Dry Eye	Rarely occurs	May occur or worsen

For those with a history of GPC, ICL is often preferred due to the minimal burden on the cornea.

＜ Who is a Good Candidate for ICL? ＞
ICL may be a viable option if you:

• ・Can no longer wear contacts due to GPC.
• ・Find wearing glasses highly stressful.
• ・Work in sports, hospitality, or healthcare where natural vision is vital.
• ・Want to reduce the long-term strain on your eyes.

Note: Not everyone is a candidate. A detailed examination of eye structure and anterior chamber depth is required.

＜Important Note: ICL is Not a “Cure” for GPC＞
It is crucial to understand that ICL does not cure the inflammation itself.
Rather, it is a vision correction method that minimizes the risk of recurrence by removing the need for the contact lenses that cause the problem.
Inflammation must be treated and stabilized before considering the procedure.

＜When to Consider ICL＞

• ・When GPC recurs frequently.
• ・When you are stuck in a cycle of: “Stop wearing lenses → Recover → Resume wear → GPC recurs.”
• ・When diagnosed with long-term difficulty in continuing contact lens wear.

＜Summary＞
In an era dominated by contact lens use, GPC is a rising concern.
While the traditional solution was “quitting contacts for glasses,” ICL now offers a modern path forward.

• ・Struggling with the discomfort of wearing contact lenses
• ・Experiencing recurring bouts of Giant Papillary Conjunctivitis (GPC)
• ・Wishing to regain a life with natural, “naked-eye” vision

Please consult an ophthalmologist to see if ICL aligns with your eye health and lifestyle goals.