This largest-ever population study using MRI to define DDD demonstrates for the first time that the Trp2 allele is a significant risk factor for the development and severity of degeneration. The association is age- dependent as it is more prevalent in some age groups than in others. The contrasting Trp allele frequencies between the Finns and the Chinese are the first indication that the genetic risk factors for DDD varies between ethnic groups.
ABSTRACT.Purpose: This study aims to represent the epidemiologies, findings, treatments, use of resources, outcomes and protective-eyewear-use recommendations in sports-related eye injuries by sport type. Methods: The study population is comprised of all new eye injury patients in 1 year in Helsinki University Eye Hospital. Data were collected from patient questionnaires and hospital records. The follow-up period was 3 months. Results: 149/1151 (12.9%) of eye injuries were sports-related. Thirty two percent were related to floorball (type of hockey played on a mat with a stick and a ball); football, tennis and ice hockey were the next most common eye-injurycausing sports. Relatively, the most dangerous sports were rink bandy, (bandy played on ice hockey rink with a stick and a ball) (0.50 injuries in 12 months/ 1000 participants, CI 0.10-1.46), floorball (0.47, CI 0.34-0.62) and tennis (0.47, CI 0.26-0.77). Contusion was the primary diagnosis in 77% of cases; 41% of contusion patients had severe, mainly retinal findings. The number of outpatient visits was 459; inpatient days 25 and major surgeries 31. One hundred and eight patients were estimated to need life-long follow-up. Seventeen patients had a permanent functional impairment, 4 in ice hockey, 3 in floorball, 2 each in tennis and badminton. Conclusion: Compared to a previous study, ice hockey eye injuries are increasing and relatively severe, and a third of these injuries occurred despite visor use. Floorball eye injury incidence has significantly declined, mainly due to recently enforced mandatory protective eyewear for younger age groups. Based on these findings, we recommend, in floorball, that protective eyewear should be mandatory in all age groups. Universally in ice hockey, the proper use of a visor should be emphasised.
A typical ocular trauma patient was a man aged 31-45 with a minor trauma caused by a foreign body at work and a final visual acuity of 20/20. Most common serious injuries were contusion, OGI or fracture at home or at work and were caused by a body part, sport equipment or work tool. Factors causing common and serious eye injuries provide the targets for protective measures.
Use of protective eyewear would have prevented or diminished eye traumas caused by pellet gun, floorball, most of the firework and in many superficial foreign body. The use of pellet guns and protective eyewear should be more supervised. Fireworks and tools are not suitable toys for children.
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