Cataract surgery is one of the most frequently performed ophthalmic procedures worldwide. The standard surgical technique, phacoemulsification, involves the removal of the clouded natural lens using ultrasound energy, followed by the implantation of an artificial intraocular lens (IOL). Although this procedure is well established, technological advancements continue to improve surgical precision, consistency, and efficiency.
One of the most critical stages of cataract surgery is anterior capsulotomy, during which a circular opening is created in the anterior lens capsule to provide access to the cataractous lens. Traditionally, this step is performed manually through continuous curvilinear capsulorhexis (CCC), requiring considerable surgical skill and precision.
CAPSULaser is an innovative laser-assisted capsulotomy system designed to enhance the accuracy and reproducibility of this surgical step. Unlike conventional femtosecond laser platforms, CAPSULaser integrates directly with the operating microscope, allowing surgeons to perform laser-assisted capsulotomy within the existing surgical workflow.
The technology utilizes a selective interaction between laser energy and trypan blue dye, which is applied to stain the anterior lens capsule. Once activated, the laser creates a circular capsular opening in approximately 0.3 seconds, providing controlled diameter, shape, and centration.
The potential benefits of CAPSULaser include improved capsulotomy circularity, more consistent capsular edge characteristics, and greater precision in IOL positioning. These features may be particularly relevant when implanting multifocal or other advanced intraocular lenses, where accurate centration can influence postoperative visual performance.
The technology may also offer advantages in complex cataract cases, including white or intumescent cataracts, pseudoexfoliation syndrome, lens subluxation, and traumatic cataracts, where manual capsulorhexis can be technically challenging.
Initial studies have reported promising findings regarding capsulotomy precision and resistance to capsular tearing. However, further large-scale comparative studies are necessary to establish whether these technical improvements translate into superior long-term clinical and visual outcomes.
CAPSULaser represents a technological development in modern cataract surgery, offering an alternative approach to anterior capsulotomy while maintaining compatibility with conventional phacoemulsification techniques. Its clinical application should be guided by individual patient characteristics, surgical requirements, and the available scientific evidence.
Balidis Miltos MD, PhD, FEBOphth, ICOphth
Ophthalmic Surgeon
Corneal & Anterior Segment Surgeon