What is a Subluxated IOL?

Intraocular lens (IOL) malpositions range from simple IOL decentration to luxation into the posterior segment. Subluxated IOLs involve such extreme decentration that the IOL optic covers only a small fraction of the pupillary space. Luxation involves total dislocation of the IOL into the posterior segment.

What causes lens subluxation?

Exfoliation syndrome is the most common cause of lens subluxation worldwide. Younger patients with anterior lens displacement often have underlying causes, such as ciliary block, Weill–Marchesani syndrome and Marfan syndrome. The latter is the most common cause of hereditary ectopia lentis.

What are the symptoms of dislocated intraocular lenses?

History, signs, and symptoms Patients with a dislocated IOL may experience a decrease or change in vision, diplopia, and/or glare. Additionally, they may report ocular pain or headaches from intermittent angle-closure and/or inflammation. Some patients also report seeing the edge of the IOL.

Can an IOL move?

The IOL can be rotated and centered if this is required for recentration . If a three-piece lens is placed in the sulcus without any type of fixation, the lens will stay centered most of the time. On occasion, the IOL will work its way through the zonules and become decentered.

What can go wrong with lens replacement?

Refractive lens exchange risks and complications include:

Retinal detachment, especially in extremely nearsighted people.
Dislocated IOL.
Increased eye pressure (ocular hypertension)
Infection or bleeding inside the eye.
Droopy eyelid (ptosis)
Glare, halos and blurry vision from multifocal IOLs.

How long does it take to get used to multifocal lenses after cataract surgery?

It may take them three days, three months or six months to adjust and learn how to adapt to their new vision. Some patients may not ever adapt and, for them, we should be ready to exchange a multifocal or EDOF lens for a monofocal IOL.

What does a subluxation feel like?

With a subluxation, you may feel the bone moving in and out of your socket. Typically, you’ll experience a good deal of pain and swelling in your shoulder. You may have trouble moving your arm or hear a clicking sound when you do so. You may also feel numbness or tingling along your arm or in your fingers.

What is the difference between subluxation and dislocation of lens?

The lens is defined as luxated (dislocated) when it lies completely outside of the hyaloid fossa, is free-floating in the vitreous, is in the anterior chamber, or lies directly on the retina. The lens is considered subluxed when it is partially displaced but remains within the lens space.

How long after cataract surgery before you can bend over?

Do not bend over or do any strenuous activities, such as biking, jogging, weight lifting, or aerobic exercise, for 2 weeks or until your doctor says it is okay. Avoid swimming, hot tubs, gardening, and dusting for 1 to 2 weeks.

How is an IOL subluxed into the anterior chamber?

So, if a patient has a lens in the sulcus and an intact anterior capsulorhexis, sometimes we can use the anterior capsulorhexis to capture and recenter the optic.” Figure 3. IOL with capsular tension ring subluxed into the anterior chamber following blunt trauma.

What are the symptoms of an IOL dislocation?

Intraocular Lens Dislocation 1 Symptoms. The most common symptom of a dislocated IOL is a change in vision. 2 Causes. During most cataract surgery procedures, the IOL is placed inside the capsular bag, a sack-like structure in the eye that previously contained the cloudy lens. 3 Diagnostic testing. 4 Treatment and prognosis.

How to fix a dislocated IOL after blunt trauma?

Figure 3. IOL with capsular tension ring subluxed into the anterior chamber following blunt trauma. For the scenario in which the IOL is in the capsular bag and the whole bag has come loose and subluxed, Dr. Hoffman says he will typically fixate the haptics of the IOL to the sclera using 9-0 Prolene.

What kind of lens is a dislocated IOL?

• A lens that’s decentered within an intact capsular bag. • An IOL that’s partially subluxed out of the capsular bag: One haptic is in the bag and one haptic is out, or a haptic is in and the optic and haptic are out. • A lens that’s in the sulcus, so there is a compromised capsular bag.

What is a Subluxated IOL? Intraocular lens (IOL) malpositions range from simple IOL decentration to luxation into the posterior segment. Subluxated IOLs involve such extreme decentration that the IOL optic covers only a small fraction of the pupillary space. Luxation involves total dislocation of the IOL into the posterior segment. What causes lens subluxation? Exfoliation…