Induced Myopia Secondary to Blunt Trauma

Sedaghat, Mohammad Reza; Momeni‐Moghaddam, Hamed; Naroo, Shehzad A.; Etezad-Razavi, Mohammad; Moshirfar, Majid

doi:10.1155/2019/1632828

Cited by 3 publications

(6 citation statements)

References 10 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Many different factors can contribute to the development of pseudomyopia after blunt trauma [ 3 , 5 , 6 ]. The majority of these factors concern anatomical changes in the ciliary body and the crystalline lens.…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…Traumatic myopia is a clinical entity that may occur after ocular blunt trauma [ 3 , 4 ]. It usually affects the injured eye only, or occasionally both eyes, and ranges between -1.00 and -6.00 diopters (D) [ 3 , 4 ]. In most cases, it is sudden onset and transient in character, resolving within a few weeks after the injury, although in some cases, it may follow a longer course until full recovery [ 5 ].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Short-Term Refractive Outcomes of Pseudomyopia Induced by Ocular Blunt Trauma

Chaloulis¹,

Mousteris²,

Tsaousis³

2022

Cureus

View full text Add to dashboard Cite

A teenage female patient visited the ophthalmology emergency department reporting blunt ocular trauma from a stretched elastic band, accompanied by blurred vision. At presentation, uncorrected visual acuity (VA) was 6/60 in the affected eye, improving to 6/7.5 with pinhole. A slit lamp examination showed a mild anterior chamber reaction and iridoplegia with pupil shape irregularity. Gonioscopy revealed partial cyclodialysis with angle recession. Fundoscopy revealed focal commotio retinae with blot hemorrhages. Bscan ultrasonography yielded no pathology. Follow-up examination, the day after the injury, included detailed refraction, which showed a myopic shift in the affected eye. Uncorrected VA improved to 6/15 and the patient achieved 6/7.5 with correction. Clinical findings indicated myopia, which resolved within one week from the incident, and refractive error rapidly decreased to prior emmetropic values.

show abstract

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Short-Term Refractive Outcomes of Pseudomyopia Induced by Ocular Blunt Trauma

Chaloulis¹,

Mousteris²,

Tsaousis³

2022

Cureus

View full text Add to dashboard Cite

show abstract

“…Pseudomyopia, known as a myopic shift following traumatic brain injury or blunt force trauma to the eye, is largely anecdotal with few studies exploring its aetiology (Hughes et al, 2017;Ikeda et al, 2016;Kim et al, 2008;London et al, 2003;Sedaghat et al, 2019;Steele et al, 1987). However, two groups (Ikeda et al, 2016;Ikeda et al, 2002;Sedaghat et al, 2019) have found evidence of ciliary spasm with ciliochoroidal effusions (diagnosed via ultrasound biomicroscopy) causing forward displacement of the lens and shallowing of the anterior chamber which lessens with pharmacological cycloplegia. These more pronounced cases resolved within two weeks, but other cases have shown to persist (Hughes et al, 2017).…”

Section: Accommodation and Mtbimentioning

confidence: 99%

“…Pseudomyopia, known as a myopic shift following traumatic brain injury or blunt force trauma to the eye, is largely anecdotal with few studies exploring its aetiology ( 81 ; 83 ; 94 ; 104 ; 156 ; 162 ). However, two groups ( 83 ; 84 ; 156 ) have found evidence of ciliary spasm with ciliochoroidal effusions (diagnosed via ultrasound biomicroscopy) causing forward displacement of the lens and shallowing of the anterior chamber which lessens with pharmacological cycloplegia. These more pronounced cases resolved within two weeks, but other cases have shown to persist ( 81 ).…”

Section: Accommodationmentioning

confidence: 99%

Eye movements in mild traumatic brain injury: Ocular biomarkers

McDonald

Holdsworth

Danesh‐Meyer

2022

JEMR

View full text Add to dashboard Cite

Mild traumatic brain injury (mTBI, or concussion), results from direct and indirect trauma to the head (i.e. a closed injury of transmitted forces), with or without loss of consciousness. The current method of diagnosis is largely based on symptom assessment and clinical history. There is an urgent need to identify an objective biomarker which can not only detect injury, but inform prognosis and recovery. Ocular motor impairment is argued to be ubiquitous across mTBI subtypes and may serve as a valuable clinical biomarker with the recent advent of more affordable and portable eye tracking technology. Many groups have positively correlated the degree of ocular motor impairment to symptom severity with a minority attempting to validate these findings with diffusion tract imaging and functional MRI. However, numerous methodological issues limit the interpretation of results, preventing any singular ocular biomarker from prevailing. This review will comprehensively describe the anatomical susceptibility, clinical measurement, and current eye tracking literature surrounding saccades, smooth pursuit, vestibulo-ocular reflex, vergence, pupillary light reflex, and accommodation in mTBI.

show abstract

Clinical Aspects of Transient Myopia after Blunt Eye Trauma

Yu,

Park

2024

J Korean Ophthalmol Soc

View full text Add to dashboard Cite

Purpose: To investigate the clinical aspects of transient myopia after blunt eye trauma.Methods: The medical records of 32 patients treated at our hospital for from 2020 to 2022 traumatic microhyphema were analyzed retrospectively. The visual acuity, intraocular pressure, anterior chamber cells, anterior chamber depth, axial length, lens thickness, and refractive index were analyzed immediately after injury and after treatment. Patients with additional diseases such as vitreous and retinal hemorrhage, traumatic retinal detachment, iridodialysis, or orbital fracture were excluded. Correlations between the myopic changes and the amount of myopic refractive change caused by trauma were analyzed.Results: The 32 patients included 24 (75%) males and 8 (25%) females. The average myopic change was -3.03 ± 0.92 (range -1.00 to -5.25) diopters (D). The average change in anterior chamber depth due to trauma was -0.22 ± 0.11 mm, the change in lens diameter was 0.20 ± 0.09 mm, and the change in axial length was -0.07 ± 0.05 mm. The average change in refractive index due to ciliary spasm was -1.63 ± 0.65 D. The correlations between the change in refractive index and anterior chamber depth (r = 0.475, p = 0.008), traumatic ciliary spasm (r = 0.649, p < 0.001), and lens thickness (r = -0.184, p = 0.330) were determined.Conclusions: Factors such as ciliary spasm, change in the anterior chamber depth, anterior shift of the lens-iris diaphragm, and increased lens thickness affect the myopic changes caused by trauma. Of these, a shallower anterior chamber depth and ciliary spasm are highly correlated with the transient myopic changes.

show abstract

Induced Myopia Secondary to Blunt Trauma

Cited by 3 publications

References 10 publications

Short-Term Refractive Outcomes of Pseudomyopia Induced by Ocular Blunt Trauma

Short-Term Refractive Outcomes of Pseudomyopia Induced by Ocular Blunt Trauma

Eye movements in mild traumatic brain injury: Ocular biomarkers

Clinical Aspects of Transient Myopia after Blunt Eye Trauma

Contact Info

Product

Resources

About