Glaucoma Associated With Increased Episcleral Venous Pressure

Wadhwa, Sonal Desai; Higginbotham, Eve J.

doi:10.1016/b978-1-4160-0016-7.50214-9

Cited by 1 publication

(1 citation statement)

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“…Hyperthyroidism has been shown to cause symptoms such as conjunctival chemosis, proptosis, increased intraocular pressure, limitation to globe movements due to the restriction of extraocular muscles, increased orbital volume, increased risk of glaucoma with inflammation in the trabecular meshwork and exposure keratopathy, especially in Graves' disease (4)(5)(6)(7). In the case of hypothyroidism, studies have shown fluid retention and oedema in all body tissues, thereby resulting in increased thickness in the cornea, as well as a decrease in corneal hysteresis, which increases the risk of glaucoma (8).…”

Section: Introductionmentioning

confidence: 99%

The Effect of Thyroid Hormone Level on Topographic, Densitometric and Aberrometric Values Of the Cornea

Alakuş,

Kozan,

Çağlayan

et al. 2023

Preprint

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Purpose : To investigate the topographic measurements,aberrometrics and densitometrics values ofcorneas in hypothyroid , hyperthyroid patients compared to healthy individuals. Material and Methods: This cross-sectional comparative study included 20 hypothyroid patients(group I), 20 hyperthyroid patients (group II), and 20 age-matched controls (group III). The Pentacamhigh resolution imaging system is used to determine corneal topographic measurements,aberrometryand densitometry. Results: Mean age group I, II and III 42.11±12.84(21-65), 44.52±10.11(20-66), 44.04±8.06(20-65)years was respectively (p =0.091). There was no significant difference between the groups nostatistically significant differences were found between the groups in terms of the 0-2 mm and 2-6 mmdensitometry values. At 6-10 mm corneal zone at all layers, including anterior, mid-stroma, posteriorand total, were significantly higher in the hyperthyroidism group compared to the control group(p=0.002, p=0.001, p=0.002 and p=0.001, respectively). At the 10-12 mm peripheral corneal zone,corneal densitometry values in all layers were significantly higher in the hyperthyroidism groupcompared to both the control group and hypothyroidism group (p<0.05 for all values). For theaberrometric measures, higher order aberrations were greater for the hyperthyroidism group than thecontrol group” (p=0.012). Conclusion : Hyperthyroidism may affect corneal densitometric and aberometric values,which may alter the corneal transparency.

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