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Detection of airbag impact-induced cone photoreceptor damage by adaptive optics scanning laser ophthalmoscopy: a case report.
BMC Ophthalmol. 2016 Jul 08; 16:99.BO

Abstract

BACKGROUND

The purpose of this study was to report a case of traumatic maculopathy with para-central visual field defects following an impact by airbag deployment using adaptive optics scanning laser ophthalmoscopy (AO-SLO).

CASE PRESENTATION

A 51-year-old man was involved in a motor vehicular accident and his left eye was struck by the deployed airbag, resulting in a para-central scotoma. The patient underwent a full ophthalmologic examination, spectral-domain optical coherence tomography (SD-OCT), and imaging with prototype AO-SLO systems (Canon Inc.) at 14 and 22 months after the injury. Images focused on the photoreceptor layer were recorded in the foveal area, and a montage of AO-SLO images was created. On AO-SLO, focal dark areas could be observed in the left eye at 14 months after the injury. The analysis showed that the cone mosaic (cone density, 16503/mm(2); ratio of hexagonal Voronoi domain, 36.3 %; average nearest-neighbor distance (NND)/expected NND, 0.606) was disordered compared with the normal area of the same eye (cone density, 24821/mm(2); ratio of hexagonal Voronoi domain, 44.1 %; average NND/expected NND, 0.739). The cone defect area corresponded to the area of the scotoma. A second AO-SLO was performed on the patient at 22 months after the injury and although there were still areas with reduced cone reflectivity, partial improvement of cone mosaic was detected by AO-SLO at this time point.

CONCLUSION

Partial recovery of damaged cone photoreceptors following closed globe blunt ocular trauma can be documented using AO-SLO longitudinal tracking.

Authors+Show Affiliations

Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan.Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan. snakao@med.kyushu-u.ac.jp.Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan.Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan.Atlantis Eyecare, Huntington Beach, CA, USA.Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan.

Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

27391597

Citation

Kaizu, Yoshihiro, et al. "Detection of Airbag Impact-induced Cone Photoreceptor Damage By Adaptive Optics Scanning Laser Ophthalmoscopy: a Case Report." BMC Ophthalmology, vol. 16, 2016, p. 99.
Kaizu Y, Nakao S, Yamaguchi M, et al. Detection of airbag impact-induced cone photoreceptor damage by adaptive optics scanning laser ophthalmoscopy: a case report. BMC Ophthalmol. 2016;16:99.
Kaizu, Y., Nakao, S., Yamaguchi, M., Murakami, Y., Salehi-Had, H., & Ishibashi, T. (2016). Detection of airbag impact-induced cone photoreceptor damage by adaptive optics scanning laser ophthalmoscopy: a case report. BMC Ophthalmology, 16, 99. https://doi.org/10.1186/s12886-016-0275-4
Kaizu Y, et al. Detection of Airbag Impact-induced Cone Photoreceptor Damage By Adaptive Optics Scanning Laser Ophthalmoscopy: a Case Report. BMC Ophthalmol. 2016 Jul 8;16:99. PubMed PMID: 27391597.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Detection of airbag impact-induced cone photoreceptor damage by adaptive optics scanning laser ophthalmoscopy: a case report. AU - Kaizu,Yoshihiro, AU - Nakao,Shintaro, AU - Yamaguchi,Muneo, AU - Murakami,Yusuke, AU - Salehi-Had,Hani, AU - Ishibashi,Tatsuro, Y1 - 2016/07/08/ PY - 2015/10/12/received PY - 2016/06/16/accepted PY - 2016/7/9/entrez PY - 2016/7/9/pubmed PY - 2017/2/6/medline KW - AO-SLO KW - Motor vehicular accident KW - Photoreceptor damage KW - Scotoma KW - Traumatic maculopathy SP - 99 EP - 99 JF - BMC ophthalmology JO - BMC Ophthalmol VL - 16 N2 - BACKGROUND: The purpose of this study was to report a case of traumatic maculopathy with para-central visual field defects following an impact by airbag deployment using adaptive optics scanning laser ophthalmoscopy (AO-SLO). CASE PRESENTATION: A 51-year-old man was involved in a motor vehicular accident and his left eye was struck by the deployed airbag, resulting in a para-central scotoma. The patient underwent a full ophthalmologic examination, spectral-domain optical coherence tomography (SD-OCT), and imaging with prototype AO-SLO systems (Canon Inc.) at 14 and 22 months after the injury. Images focused on the photoreceptor layer were recorded in the foveal area, and a montage of AO-SLO images was created. On AO-SLO, focal dark areas could be observed in the left eye at 14 months after the injury. The analysis showed that the cone mosaic (cone density, 16503/mm(2); ratio of hexagonal Voronoi domain, 36.3 %; average nearest-neighbor distance (NND)/expected NND, 0.606) was disordered compared with the normal area of the same eye (cone density, 24821/mm(2); ratio of hexagonal Voronoi domain, 44.1 %; average NND/expected NND, 0.739). The cone defect area corresponded to the area of the scotoma. A second AO-SLO was performed on the patient at 22 months after the injury and although there were still areas with reduced cone reflectivity, partial improvement of cone mosaic was detected by AO-SLO at this time point. CONCLUSION: Partial recovery of damaged cone photoreceptors following closed globe blunt ocular trauma can be documented using AO-SLO longitudinal tracking. SN - 1471-2415 UR - https://www.unboundmedicine.com/medline/citation/27391597/Detection_of_airbag_impact_induced_cone_photoreceptor_damage_by_adaptive_optics_scanning_laser_ophthalmoscopy:_a_case_report_ L2 - https://bmcophthalmol.biomedcentral.com/articles/10.1186/s12886-016-0275-4 DB - PRIME DP - Unbound Medicine ER -