PAINTBALL OCULAR INJURIES-A PREVENTABLE DISASTER.
As the paintball sports including war games have become popular, the incidence of paintball ocular injuries has increased considerably. These injuries are usually blunt trauma resulting from paintball projectiles, which travel at a speed of 80-130 m/s. We report 3 cases of ocular paintball injuries with compromised visual outcome sustained in unprotected environment highlighting the importance of compulsory use of American society for testing and material (ASTM) compliant eye protective devices (EPD) during paintball related activities.
Sports related ocular injuries are preventable in 90% of cases with the use of proper protective eye wear1,2. War games with paintball pellets have become increasingly popular, but it can result in severe ocular injuries if proper ocular protection is not used. Paintballs are small (17 mm diameter) gelatin projectiles filled with non-toxic, water soluble paint that explode on contact with an object at a velocity of 100 - 300 feet/sec2,3-5. Eye is the most commonly affected organ in paintball injuries (42.7%) with poor visual outcome in 30-43% of patients6-8.
Because of their large size and relatively low velocity, paintballs usually cause blunt ocular injuries resulting from coup-countercoup trauma and equatorial expansion2,4. The most common anterior segment injuries include hyphema, lens dislocation, cataract, angle recession and iridodialysis2. Common posterior segment manifestations include commotion retinae, choroidal rupture, vitreous hemorrhage, retinal tear/dialysis and macular hole2.
Case-1: A 24 years old male sustained paintball injury to his right eye while playing without protective eye wear. Presenting visual acuity was Counting Finger (CF) at 2 meter with commotio retinae and inferior vitreous hemorrhage. He was managed conservatively with topical steroids and anti glaucoma medications. On eight month follow up visit best corrected visual acuity (BCVA) in right eye was 6/36 with epiretinal membrane and a patch of chorioretinal scarring with fibrosis (Chorioretinitis Sclopetaria) temporal to fovea.
Case-2: A 23 years old male was hit in an unprotected left eye by a paintball pellet during training activity. Initial examination revealed visual acuity of 1/60 in left eye with relative afferent pupillary defect (RAPD), commotio retinae and vitreous hemorrhage. He was managed conservatively and at 9 month follow up visit BCVA was 2/60 in affected eye with RAPD, temporal disc pallor and atrophic maculopathy.
Case-3: During a training activity a 23 year old soldier sustained paintball injury in an unprotected right eye. Visual acuity at presentation was hand movement (HM) at 1 meter in affected eye with hyphema, traumatic cataract, iridodialysis and severe commotio retinae. He underwent cataract surgery with IOL implantation after one month of injury. BCVA at 3 months after surgery improved to 6/60.
Sports-related ocular injuries are 4 times more common in young men2,4. All our patients was young males (mean age: 23.3 years). Mean age ranging from 16-22.7 years were reported in various studies on ocular paintball injuries2,4-5, 9-10. Presenting visual acuity was less than 6/60 in all our cases with 1 out of 3 patients having final BCVA less than 6/60. Presenting visual acuity of less than 6/60 was reported in 70-78% of patients of ocular paintball injuries in various studies2,4,9. Final BCVA remained less than 6/60 in 40-50% of eyes with ocular paintball trauma suggesting the catastrophic nature of such injuries 2,4-5,9-10.
Listman et al and Farr et al in their studies reported hyphema, vitreous hemorrhage, and traumatic cataract as the commonest manifestations of the ocular paintball trauma8,11. Determinant of poor visual outcome in such injuries include traumatic maculopathy, epiretinal membrane formation and optic neuropathy5,12.
American society for testing and material (ASTM) in 1997 issued standard specifications for eye protective devices (EPDs) used in paintball sports13. The incidence of ocular injuries would be reduced by 90% or more with the proper use of ASTM-compliant EPDs during paintball sports2. None of our patients was wearing ocular protection at the time of injury. Non usage of ocular protection during paintball games was reported in the range of 100% to 95% non usage, resulting in higher and severe ocular morbidity after such injuries 1,5, 9-10.
Increased awareness and compulsory use of ASTM-compliant EPDs during paintball games is mandatory to avert and avoid this preventable disaster.
CONFLICT OF INTEREST
The authors of this study reported no conflict of interest.
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13. American Society for Testing and Materials, Standard specification for eye protective devices for paintball sports. In: 1997 Annual Book of ASTM Standards. West Conshohocken, Pa: American Society for Testing and Materials1997; 1391-99.
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|Publication:||Pakistan Armed Forces Medical Journal|
|Date:||Feb 29, 2016|
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