Diurnal and Zonal Analysis of Corneal Surface Temperature in Young Healthy Adults

Moussa, Sarah; Eppig, Timo; Pattmöller, Johanna; Zemova, Elena; Seitz, Berthold; Langenbucher, Achim; Szentmáry, Nóra

doi:10.5301/ejo.5000277

Cited by 10 publications

(6 citation statements)

References 18 publications

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“…As previously reported, our data confirm that CT varies in response to tear film evaporation rate, which in turn is influenced by environmental temperature and blinking rate [ 19 , 42 – 44 ]. However, our results also show a peculiar pattern of CT distribution across the corneal surface, not in line with previous findings [ 12 , 14 , 15 , 45 ]. In fact, in all experimental settings (basal, after CET, and cm-CET), we detected the coolest area at the corneal temporal region while the warmest area was at the nasal side.…”

Section: Discussionsupporting

confidence: 72%

Relationship between Corneal Temperature and Intraocular Pressure in Healthy Individuals: A Clinical Thermographic Analysis

Fabiani

Voti

Rusciano³

et al. 2016

Journal of Ophthalmology

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Purpose. To study the geographical distribution of corneal temperature (CT) and its influence on the intraocular pressure (IOP) of healthy human volunteers. Materials and Methods. Fifteen subjects (7 M, 8 F), 33.8 ± 17.4 years old, were enrolled in this pilot, cross-sectional study. Measurements of CT were taken after one hour with closed eyelids (CET) or closed eyelids with a cooling mask (cm-CET) and compared to baseline. Results. If compared to baseline, after CET, average CT significantly increased by 0.56°C in the RE and by 0.48°C in the LE (p < 0.001) and IOP concomitantly significantly increased by 1.13 mmHg and 1.46 mmHg, respectively, in each eye (p < 0.001). After cm-CET, average CT significantly decreased by 0.11°C and 0.20°C, respectively, in the RE and LE (RE p = 0.04; LE p = 0.024), followed by a significant IOP decrease of 2.19 mmHg and 1.54 mmHg, respectively, in each eye (RE p < 0.001; LE p = 0.0019). Conclusion. Significant variations of CT occurred after CET and cm-CET and were directly correlated with significant differences of IOP. It can be speculated that both oxidative stress and sympathetic nerve fiber stimulation by temperature oscillations may affect the regulation of AH vortex flow and turnover, thus influencing IOP values.

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Section: Discussionsupporting

confidence: 72%

Relationship between Corneal Temperature and Intraocular Pressure in Healthy Individuals: A Clinical Thermographic Analysis

Fabiani

Voti

Rusciano³

et al. 2016

Journal of Ophthalmology

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“…In our study population we could not confirm any correlation between anterior chamber depth and OST, and in the literature we find some contradictory reports about a potential correlation of anterior chamber depth and OST [29,30]. In our previous study we already could exclude a diurnal variation of OST [33].…”

Section: Discussioncontrasting

confidence: 78%

Correlation of corneal thickness, endothelial cell density and anterior chamber depth with ocular surface temperature in normal subjects

Pattmöller

Wang

Zemova

et al. 2015

Zeitschrift für Medizinische Physik

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“…Measurements of ocular surface temperature 10 seconds after eye opening may prove to be a repeatable, quantifiable measurement for dry eyes but further multicenter trials need to be performed. It was recently found that corneal surface temperature does not change diurnally in healthy subjects 92. This leads to the assumption that diurnal changes in corneal temperature may indicate ocular surface abnormality or corneal pathology.…”

Section: Emerging Technologies For Diagnosismentioning

confidence: 99%

Diagnosis of dry eye disease and emerging technologies

Zeev¹,

Miller²,

Latkany³

2014

OPTH

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Dry eye is one of the most commonly encountered problems in ophthalmology. Signs can include punctate epithelial erosions, hyperemia, low tear lakes, rapid tear break-up time, and meibomian gland disease. Current methods of diagnosis include a slit-lamp examination with and without different stains, including fluorescein, rose bengal, and lissamine green. Other methods are the Schirmer test, tear function index, tear break-up time, and functional visual acuity. Emerging technologies include meniscometry, optical coherence tomography, tear film stability analysis, interferometry, tear osmolarity, the tear film normalization test, ocular surface thermography, and tear biomarkers. Patient-specific considerations involve relevant history of autoimmune disease, refractive surgery or use of oral medications, and allergies or rosacea. Other patient considerations include clinical examination for lid margin disease and presence of lagophthalmos or blink abnormalities. Given a complex presentation and a variety of signs and symptoms, it would be beneficial if there was an inexpensive, readily available, and reproducible diagnostic test for dry eye.

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Diurnal and Zonal Analysis of Corneal Surface Temperature in Young Healthy Adults

Cited by 10 publications

References 18 publications

Relationship between Corneal Temperature and Intraocular Pressure in Healthy Individuals: A Clinical Thermographic Analysis

Relationship between Corneal Temperature and Intraocular Pressure in Healthy Individuals: A Clinical Thermographic Analysis

Correlation of corneal thickness, endothelial cell density and anterior chamber depth with ocular surface temperature in normal subjects

Diagnosis of dry eye disease and emerging technologies

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