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Retinal injury from a laser skin resurfacing device during medical tourism: a public health concern
BMC Ophthalmology volume 24, Article number: 134 (2024)
Abstract
Background
Laser skin resurfacing is a popular cosmetic procedure for noninvasive skin rejuvenation. Since health insurance plans often do not cover these types of procedures, patients often pay out of pocket. Consequently, there is an incentive to go abroad, where prices are more affordable. However, practitioners in destination countries may lack rigorous training on laser safety, regulatory oversight, or licensing, especially on devices used for “cosmetic” procedures. In certain cases, this can lead to tragic outcomes, especially when underqualified practitioners operate medical-grade laser devices.
Case presentation
A 29-year-old woman suffered a retinal burn from a handheld Q-switched neodymium-doped yttrium aluminum garnet (Nd:YAG) laser pulse device used to perform skin resurfacing treatment at a medical spa in Vietnam. The patient was not adequately informed about the potential risk to her vision and was not provided with any eye protection. A momentary, unintended laser exposure to the patient’s right eye led to irreversible vision loss due to a macular burn. This incident caused immediate pain, followed by the sudden appearance of floaters, along with a retinal and vitreous hemorrhage. Despite treatment with off-label bevacizumab for the development of a choroidal neovascular membrane, vision remained at the level of counting fingers because of the presence of the macular scar.
Conclusion
When utilizing laser-based devices, it is crucial to employ safety measures, such as the wearing of safety goggles or the use of eye shields to protect ocular tissues from potential damage. The growing availability of cosmetic laser devices presents a substantial public health risk, because numerous operators lack adequate training in essential safety standards, or they neglect to follow them. Furthermore, patients seeking services abroad are subject to the regulatory practices of the destination country, which may not always enforce the requisite safety standards. Further research is needed to determine regional and global incidence of laser-related injuries to help direct educational and regulatory efforts.
Background
Laser skin resurfacing, also known as light-based photo rejuvenation or intense pulsed light therapy, is a non-invasive, cosmetic procedure used for skin rejuvenation. During treatment, a handheld device emits controlled pulses of light produced by a laser or light-emitting diode (LED), which are absorbed by pigmented skin structures (e.g., melanin or hemoglobin), leading to its therapeutic effects [1, 2]. This technique is often used to address signs of aging like wrinkles, solar lentigo, and uneven skin pigmentation, or to reduce the visibility of traumatic wounds or postoperative scars [1,2,3].
While laser skin resurfacing is generally safe and effective when performed by trained professionals who adhere to appropriate safety measures, the growing popularity of light-based cosmetic procedures, coupled with the increased availability and use of unregulated devices, amplifies the risk of complications. As most health insurance plans do not cover cosmetic procedures, individuals often seek treatments outside of traditional medical settings. Some individuals even travel outside their countries of origin to obtain more affordable prices for cosmetic services [4]. Depending on local regulations, lasers in these settings may be operated without proper training or precautions to ensure patient safety [4]. While those seeking laser skin resurfacing are often counseled on the risk of dermatologic adverse effects [1], far fewer are warned that ocular tissues are vulnerable to injury by laser radiation [5, 6]. Here, we present the case of a woman who suffered a retinal burn resulting in permanent vision loss as a direct result of a laser skin resurfacing procedure at a medical spa in Vietnam.
Case presentation
A 29-year-old woman sought laser skin resurfacing treatment in Vietnam to address uneven pigmentation. She chose this setting because the procedure was not covered by her health insurance in the United States. The procedure was performed using a handheld Q-switched neodymium-doped yttrium aluminum garnet (Nd:YAG), without appropriate pre-procedural disclosure of potential risks or the provision of any eye protection. Regrettably, during the treatment, the esthetician lost control of the handheld device, resulting in an unintentional laser emission into the patient’s right eye. This incident caused the patient to experience a flash of light followed by pain and the appearance of floaters, accompanied by an immediate loss of central vision and the development of a scotoma.
Upon return to the United States four days later, her symptoms of vision loss had not improved. She sought medical attention at a Military Treatment Facility operated by the U.S. Navy as a dependent of an active-duty military service member. Before the skin resurfacing procedure, her vision was 20/20 in both eyes without correction, having undergone laser-assisted in situ keratomileusis surgery two years prior. On initial assessment after the accident, her best corrected visual acuity was count fingers in the right eye and remained 20/20 in the left eye. External exam was unremarkable and intraocular pressures were normal. She had no afferent pupillary defect. Initial slit lamp exam revealed a vitreous hemorrhage obscuring the details of the right macula. Ultrasound through the vitreous hemorrhage confirmed that the retina was attached. Follow-up examination of the right fundus 11 days after the laser exposure identified a photoablative thermal injury to the central macula with pre-retinal hemorrhage (Fig. 1A). Optical coherence tomography (OCT) revealed the laser injury passed through the fovea, resulting in both intraretinal and subretinal hemorrhage (Fig. 1B and C). Based on these findings, the patient was counseled that her vision loss was likely permanent.
Three months later, her visual symptoms and acuity were unchanged. Examination of the fundus identified the proliferation of scar tissue in the central macula with vitreomacular traction (Fig. 2A). Repeat OCT imaging through the central macula revealed diffuse retinal thickening from an overlying epiretinal membrane with reactive gliosis and chorioretinal scarring at the site of the laser injury (Fig. 2B and C). The patient was referred to a civilian retinal specialist for further assessment and surgical evaluation. Four months after the accident, progressive epiretinal membrane formation caused distortion of the retinal contour, which is evident in OCT images displaying increased retinal thickening (Fig. 3A and B). A fluorescein angiogram identified the development of a choroidal neovascular membrane as a delayed consequence of the laser injury (Fig. 3C and D). Surgical intervention was deferred in favor of anti-vascular endothelial growth factor treatment. The patient underwent six monthly, intravitreal injections of bevacizumab (1.25 mg), resulting in the resolution of the choroidal neovascular membrane, release of the fibrovascular complex, and improvement in macular contour (Fig. 3E and F). Unfortunately, the patient’s visual acuity did not improve and remained unchanged at the level of counting fingers due to a persistent macular scar (Fig. 4A and B).
Discussion
According to the American Society for Dermatologic Surgery, there were 4.1 million laser, light, or energy-based cosmetic procedures performed in the United States (U.S.) in 2019 [7]. The global market for skin resurfacing reached a value of 217 million U.S. dollars, and it is projected to grow at an annual rate of more than 7% over the next decade [8]. The global incidence of complications from cosmetic lasers, including cases of vision loss, remains unknown.
While retinal injuries caused by handheld laser pointers are relatively common [9], there have been fewer reported injuries from cosmetic laser devices [2, 5, 6], and no published cases have resulted from the emerging practice of medical tourism. In the U.S., all laser-based devices sold for human and veterinary use are classified, with users required to adhere to mandatory performance standards and safety regulations set by the U.S. Food and Drug Administration and the Occupational Safety and Health Administration. The handheld Q-switched Nd:YAG pulsed laser device used for skin resurfacing in this case typically operates at wavelengths of 800 or 1064 nm, with fluence ranging from 2 to 5 J/cm², which has an energy level capable of inducing retinal burns [5, 6, 9]. It would be categorized as a Class IV laser device in the U.S. and would have necessitated protective eyewear by both operators and patients to prevent laser-induced damage to ocular structures [10, 11]. The incidence of cosmetic laser ocular injury in Vietnam is unknown. Our case may represent the first case of laser injury in that nation. Although Vietnam’s Ministry of Health classifies laser devices [12], it does not include any reference to laser safety guidelines similar to those used in the United States. Further, the most recent international report on laser guidelines and regulations was published by the World Health Organization in 1982 [13].
Although the laser’s wavelength or parameters in the case presented are not known, the Nd:YAG pulsed laser device possessed enough photo-disruptive power to cause a blinding, full-thickness retinal burn, resulting in a retinal and vitreous hemorrhage. The initial burn also caused a breakdown of the blood-retinal barrier, leukocyte extravasation, and the release of inflammatory mediators with thrombin and fibrin deposition at the site of the injury [9, 14]. Over the course of several months, extensive glial proliferation and pre-retinal fibrosis developed driven by the secretion of growth factors, which distorted the macular contour with significant traction. Although surgical intervention was considered to remove the epiretinal membrane, the identification of choroidal neovascularization prompted the off-label use of the anti-vascular endothelial growth factor agent, bevacizumab. Several previous studies report the off-label use of bevacizumab [5], aflibercept [15], or ranibizumab [6] to manage choroidal neovascularization and associated retinal hemorrhage, which may be more aggressive and rapid in onset compared with those associated with age-related retinal diseases [6]. This management approach effectively treated the choroidal neovascularization, but, more importantly, the case presented is the first case to illustrate the utility of these agents to dramatically reverse the aggressive epiretinal scar tissue capable of deforming the macula. In rare cases, trauma-associated pre-retinal fibrosis has been reported to lead to retinal detachment [14].
Safety measures required when utilizing laser-based devices include the wearing of safety goggles or placing eye shields over the closed eyelids, as inadequate shielding may expose the ocular tissues to damage from unintentional exposures [16]. Symptoms of an ocular laser burn include eye pain, redness, light sensitivity, blurred vision, the sudden appearance of new floaters or a scotoma, excessive tearing, or headache [5, 6, 9]. Lack of external signs of damage may lead to an underestimation of intraocular damage, but in the case of any suspected laser-induced ocular injury, immediate referral to an ophthalmologist is indicated [16]. Recommendations regarding the use of topical, intravitreal, or high-dose systemic steroids, vitamins, or antibiotics vary among different authorities [2, 17]. However, in the majority of cases, observation alone is usually adequate for management [16]. In cases complicated by choroidal neovascular membrane formation, the intravitreal administration of drugs targeting vascular endothelial growth factor has demonstrated efficacy; however, as seen in our case, these interventions may not always lead to vision recovery [5, 6, 15]. In rare instances, surgical intervention might be warranted to address late complications, including the clearance of vitreous hemorrhage, excision of scar tissue, or repair of a macular hole or retinal detachment [9, 14]. Finally, consequences of ocular laser injuries extend beyond physical harm, potentially causing disfigurement or disability. These injuries can substantially impact various aspects of life, including career opportunities, relationships, financial stability, and mental health.
Our study is limited by virtue of being a single case report with a relatively short follow-up period. We also lack information on the incidence of laser-associated eye injuries in Vietnam or similarly developed nations. Further research is needed to establish the worldwide prevalence of ocular injuries from cosmetic laser devices. Identifying regions with high incidence rates of laser-related eye injuries would provide valuable insights for implementing laser safety education, operator training, and supporting legislative efforts to enhance regulations on laser devices [16]. Surveying ophthalmologists worldwide could generate the global incidence data needed to support timely public health interventions [18].
Conclusion
In conclusion, our case highlights the potential for macular injury due to accidental exposure to Nd:YAG laser pulse devices, resulting in laser-induced maculopathy complicated by a choroidal neovascular membrane and epiretinal membrane complex formation. Both of these complications were effectively managed through off-label intravitreal administration of the anti-vascular endothelial growth factor agent bevacizumab, leading to a significant improvement in retinal anatomy and stable visual function. Although most people possess a blink reflex capable of responding in less than 0.25 s [19], without proper eye protection, even brief laser exposures can induce vision-impairing retinal damage. As more consumers seek lower-cost laser-based cosmetic services, especially in settings where safety regulations may be less stringent or lack regulatory enforcement, we may see more such eye injuries. Individuals contemplating traveling overseas for a medical procedure, such as laser skin resurfacing, should review laser safety regulations, wear appropriate eye protection, and thoroughly evaluate the practices followed by the facilities under consideration.
Data availability
All data generated during this study are included in this published article.
Abbreviations
- LED:
-
Laser or light-emitting diode
- Nd:YAG:
-
Neodymium-doped yttrium aluminum garnet
- OCT:
-
Optical Coherence Tomography
- SD-OCT:
-
Spectral Domain Optical Coherence Tomography
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Acknowledgements
The authors thank the United States Navy hospital corpsmen and the support staff of Naval Medical Center Portsmouth and the Wagner Kapoor Institute for taking care of the patient presented in this case report. The authors thank Assistant Directors of Clinical Operations Sydney D. Smith and Adam Keverline of the Wagner Kapoor Institute for their assistance in obtaining imaging. The authors thank Dr. Kathryn M. Ramsey and Carol Spencer, Lahey Hospital Librarian, for research support.
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No funding was secured for this study.
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Dr. Lambert (LT, MC, USN), Dr. Tompkins (LCDR, MC, USN) and Dr. Kapoor were involved in the clinical evaluation and management of the patient. All authors contributed to the writing of the manuscript. Dr. Lambert wrote the original draft. Dr. Lambert, Dr. Tompkins, and Dr. Kapoor obtained the images. Dr. Lambert and Dr. Ramsey edited and formatted all figures. All authors, including Dr. Uber (CDR, MC, USN), read and approved the final manuscript.
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Our study adheres to the tenets of the Declaration of Helsinki and received institutional clearance. The study was deemed exempt by the Institutional Review Board of the Naval Medical Center Portsmouth, Portsmouth, VA, by virtue of being a single case report. Information was gathered and secured in compliance with the Health Insurance Portability and Accountability Act.
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Written informed consent for case report publication was received from the patient.
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Lambert, L.H., Tompkins, B.L., Uber, I.C. et al. Retinal injury from a laser skin resurfacing device during medical tourism: a public health concern. BMC Ophthalmol 24, 134 (2024). https://doi.org/10.1186/s12886-024-03383-z
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DOI: https://doi.org/10.1186/s12886-024-03383-z