YAG Laser Vitreolysis for Floaters: What Clinics Need to Know

What vitreolysis does and for whom

Floaters are shadows cast on the retina by condensations in the vitreous, often after posterior vitreous detachment. Vitreolysis aims to reduce the visual effect of well-defined opacities, such as a Weiss ring, by breaking them into smaller fragments or vaporising them with photodisruption.

Not every floater qualifies. Dense, diffuse or multiple opacities, those close to the retina or lens, and eyes with other pathology may be unsuitable. A thorough dilated examination to exclude retinal tears is essential before any treatment, and the ophthalmologist decides who is a candidate.

Examination before treatment usually includes visual acuity, intraocular pressure, slit-lamp and dilated fundus assessment, and in some clinics imaging such as OCT to document the vitreoretinal interface and exclude other causes of symptoms.

Laser and lens requirements

Vitreolysis uses a Nd:YAG laser at 1064 nm in a mode similar to capsulotomy. A reliable laser delivers low-energy pulses with a precisely positioned focus, a bright aiming beam and good optics so the surgeon can see the floater. Burst modes and fine energy control are helpful.

The Q-Las offers 0.5–10 mJ, a 4 ns pulse, burst of 1, 2 or 3 pulses, Quick-Repetition up to 10 Hz, a dual-spot aiming beam and focus shift of 0, 150 or 300 µm posterior. Vitreolysis typically needs a dedicated contact lens that gives a view of the mid and posterior vitreous; suitability of each lens for the particular laser should be confirmed with the manufacturer.

How a session is carried out

After dilation and topical anaesthesia, the surgeon places a contact lens, locates the opacity and focuses the aiming beam safely in front of the retina, ensuring a distance from the retina and the lens. Short pulses are delivered until the opacity fragments or the symptom improves. Sessions are repeated if needed, and the patient is reviewed for pressure and symptoms.

Energy settings are lower or higher depending on the density of the opacity and published protocols. Always follow the clinical protocol and the instructions for use; do not extrapolate from capsulotomy values.

Patient communication matters as much as technique. Explain that floaters may not disappear completely, that more than one session can be needed, and that new floaters can appear over time as the vitreous continues to change. Written information helps patients decide.

Risks and informed consent

Risks include a transient rise in intraocular pressure, new floaters or gas bubbles that can themselves obstruct vision, retinal tears or haemorrhage, cataract if the lens is struck and inflammation. Rare but serious complications such as retinal detachment can occur. Patients should understand that the result varies and that some floaters cannot be treated safely.

Document consent, selection criteria, energy used, number of pulses and outcome. Many clinics keep vitreolysis for experienced vitreoretinal specialists.

Should your clinic offer vitreolysis?

If you already own a YAG laser for capsulotomy and iridotomy, adding vitreolysis mainly requires training, suitable lenses and a protocol; see YAG laser capsulotomy and YAG laser iridotomy for the related settings. If you are buying a new laser, consider the optics and burst control that you will rely on.

To plan an upgrade, ask the manufacturer's representative about compatible accessories and training, and contact Beckfinity for a consultation in the UAE.