Journal List > J Korean Ophthalmol Soc > v.54(6) > 1009708

Kim, Cho, Cho, Kyung, and Chang: A Statistical Observation of Non-Penetrating Ocular Injuries

Abstract

Purpose

To investigate the clinical and social characteristics of non-penetrating ocular injuries and use the results for treatment and prevention.

Methods

A retrospective survey was performed on 468 eyes of 421 patients, who visited our clinic due to non-penetrating ocular injuries from January 2010 to December 2010. The incidence of ocular injuries, sex, age, monthly and seasonal dis-tribution, side, cause, influence of alcohol, and change in visual acuity were reviewed statistically.

Results

The incidence of non-penetrating ocular injuries was 4.9%. The incidence was more common in males (82.9%), in the 3rd decade of life (23.5%) and in summer (30.8%). Minor injuries (36.1%) were the most common caused by scratch-es, finger pricks, nails, or small foreign bodies. The second common cause was violence (16.4%), followed by traffic acci-dents (14.7%). The injuries related to alcohol represented 12.6% of all cases. When considering initial diagnoses, peri-orbital contusion and corneal abrasion were the most common. The initial visual acuity was less than 20/200 in 9.4% of the eyes and the final acuity after a 6-months of treatment was less than 20/200 in 3.0% of the eyes.

Conclusions

This survey gathered the clinical and social characteristics as well as new insights into non-penetrating ocu-lar injuries which can be used for treatment and prevention. J Korean Ophthalmol Soc 2013;54(6):938-944

References

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Figure 1.
Traumatic mydriasis. Arrows show the tears of iris sphincter.
jkos-54-938f1.tif
Figure 2.
Two cases of traumatic optic neuropathy presented with metamorphopsia. Fundus findings and opti-cal coherence tomographic findings show peripapillary subretinal hemorrhage.
jkos-54-938f2.tif
Table 1.
Monthly, seasonal distribution of non-penetrating ocular injuries
Month No. of patients (%) Season Total (%)
March 27 (6.4)
April 34 (8.1) Spring 96 (22.8)
May 35 (8.3)
June 41 (9.7)
July 43 (10.2) Summer 130 (30.8%)
August 46 (10.9)
September 50 (11.9)
October 35 (8.3) Autumn 110 (26.2)
November 25 (5.9)
December 30 (7.1)
January 27 (6.4) Winter 85 (20.2)
February 28 (6.7)
Total 421 (100.0) 421 (100.0)
Table 2.
Age distribution of non-penetrating ocular injuries
Age (years) 0-9 10-19 20-29 30-39 40-49 50-59 60-69 70- Total
No. of patients (%) 10 (2.4) 74 (17.6) 99 (23.5) 83 (19.7) 74 (17.6) 42 (9.9) 33 (7.9) 6 (1.4) 421 (100.0)
Table 3.
Causes of non-penetrating ocular injures
Causes No. of patients (%)
Minor trauma (finger, nail, micro-fore eign 152 (36.1)
body, contact lens)
Violence 69 (16.4)
Traffic accidents 62 (14.7)
Fall and collision 48 (11.4)
Sports-associated injuries 27 (6.4)
Industrial accidents 24 (5.7)
Chemical agents 15 (3.6)
Fall down 13 (3.1)
Weeder 5 (1.2)
Etc 6 (1.4)
Total 421 (100.0)
Table 4.
Diagnostic types of non-penetrating ocular injures
Diagnosis No. of cases (%)
Corneal abrasion or erosion 152 (18.7)
Subconjunctival hemorrhage 136 (16.7)
Orbital wall fracture 132 (16.2)
Periorbital contusion 129 (15.8)
Traumatic iritis 62 (7.6)
Commotio retinae 36 (4.4)
Traumatic hyphema 28 (3.4)
Foreign body 26 (3.2)
Vitreous hemorrhage 16 (1.9)
Paralytic strabismus 15 (1.8)
Traumatic optic neuropathy 14 (1.7)
Chemical burn 13 (1.6)
Conjunctival laceration 13 (1.6)
Iris sphincter injury (traumatic mydriasis) 10 (1.2)
Thermal burn 8 (0.9)
Rhegmatogenous retinal detachment 8 (0.9)
Retinal hemorrhage 4 (0.5)
Canalicular laceration 3 (0.3)
Subretinal hemorrhage 3 (0.3)
Retinal tear 3 (0.3)
Traumatic cataract 3 (0.3)
Total 814 (100.0)
Table 5.
Visual acuity of the injured eye on initial visit and fi-nal visit
Visual acuity No. of eyes on initial visit (%) No. of eyes after treatment (%)
Under 20/200 44 (9.4) 14 (3.0)
20/100-20/40 58 (12.4) 22 (4.7)
20/30-20/25 52 (11.1) 42 (9.0)
Over 20/20 314 (67.1) 390 (83.3)
Total 468 (100.0) 468 (100.0)
Table 6.
The domestic incidence of ocular injuries of the all ophthalmologic patients
Authors Year Region Incidence (%)
Rhee et al1 1968 Seoul 1.3
Juhng et al3 1972 Seoul 0.8
Kim8 1974 Seoul 3.2
Hwang and Shim4 1979 Daejeon 4.3
Kang and Han6 1980 Seoul 5.4
Yoo et al10 1982 Seoul 5.6
Shon and Kim9 1985 Seoul 4.8
Choi and Han11 1987 Daejeon 8.1
Lee et al12 1987 Seoul 2.2
Lee and Oh7 1990 Seoul 4.7
Han and Shyn5 2005 Incheon 4.2
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