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To evaluate the therapeutic effect of combining subconjunctival botulinum toxin A (BTX-A) with periorbital triamcinolone acetonide (TA) injections in treating upper eyelid retraction (UER) due to thyroid-associated ophthalmopathy (TAO). Fifty eyes with TAO-related UER were randomized into two groups. Group 1 received TA alone, while group 2 received BTX-A plus TA. Marginal reflex distance (MRD1) and graine sign (GS) were measured at baseline and post-injection intervals. Elevated intraocular pressure incidence was monitored. Group 1 showed significant MRD1 reductions at 1, 3, and 6 months ( P  < 0.05) and a GS increase at 3 months ( P  < 0.05). Group 2 exhibited quicker MRD1 reductions at 1 week, 1, 3, and 6 months ( P  < 0.05) and earlier GS improvements at 1 week, 1, and 3 months ( P  < 0.05). Group 2 had lower MRD1 and higher GS values one week post-initial injection ( P  < 0.001 and P  = 0.013, respectively) and a lower incidence of elevated intraocular pressure compared to group 1 ( P  < 0.05). In a six-month study, patients treated with BTX-A and TA for TAO-related UER experienced a faster therapeutic onset and sustained efficacy with reduce the total dose of multiple local TA injections and fewer side effects like elevated intraocular pressure.The trial registration number is ChiCTR2300077958, with the date of registration being 24/11/2023 (retrospectively registered).

Purpose To evaluate the effectiveness of incobotulinumtoxinA (Xeomin ® ) in treating upper eyelid retraction in patients with Graves orbitopathy (GO) initially scheduled for surgery via two different application sites. Methods This is a comparative, prospective study, conducted at the Department of Ophthalmology, Medical School, University Hospital Centre Zagreb, EUGOGO site (EUropean Group On Graves' Orbitopathy) in Croatia from January 2020 till January of 2021 in accordance with national health headquarter recommendations. All patients were classified as inactive with marked eyelid retraction and randomly divided into groups according to application sites. Group A underwent transconjunctival application (18 eyes) and group B transcutaneous application (20 eyes) of incobotulinumtoxinA. The primary end point of this study was lowering the eyelid, to alleviate anterior eye segment symptoms and achieve acceptable aesthetic appearance until surgery becomes available. Results There were no nonresponders and we found no statistically significant difference in the degree of lowering the eyelid between the two application sites. Following rules for avoiding spread of SARS-CoV-19, none of the patients included in this study were infected. Moreover, participants reported diminishing of anterior eye segment irritation and improved aesthetics. Conclusion Treatment of inactive GO patients with incobotulinumtoxinA for upper eyelid retraction is efficient and safe and can be used as an adjuvant treatment while patients wait for surgery, by alleviating symptoms and improving the level of aesthetic satisfaction without causing a threat to anterior eye segment and visual function. The study showed that effect of treatment was the same, whether we applied the toxin transconjunctivaly or transcutaneously.

Natural eyelid conformation is essential for normal function and health of the ocular surface. However, many modern dog types are deliberately bred for abnormal eyelid conformation associated with severe health and welfare issues. This study aimed to report the prevalence, demographic risk factors and clinical management under primary veterinary care for conformational eyelid disorders in dogs. The study explored the anonymised clinical records of all dogs under UK primary veterinary care within the VetCompass Programme during 2019. Risk factor analysis used multivariable logistic regression modelling. From 2,250,417 dogs under primary veterinary care in 2019, the analysis included a random sample of 3,029 confirmed conformational eyelid disorder cases that included 2,752 (90.86%) entropion and 344 (11.36%) ectropion cases. After accounting for the subsampling process, the annual prevalence for overall conformational eyelid disorder in dogs was 0.36% (95% CI: 0.35-0.37). The annual prevalence for entropion in dogs overall was 0.33% (95% CI: 0.32-0.34). Breeds with highest annual prevalence for entropion were Shar-Pei (15.41%, 95% CI 14.00-16.91), Chow Chow (9.28%, 95% CI 7.64-11.14) and Neapolitan Mastiff (6.88%, 95% CI 3.02-13.14). The estimated annual prevalence for ectropion in dogs overall was 0.04% (95% CI: 0.04-0.05). Breeds with the highest annual prevalence for ectropion were Neapolitan Mastiff (4.30%, 95% CI 1.41-9.77), Saint Bernard (1.72%, 95% CI 0.86-3.05) and Basset Hound (1.59%, 95% CI 0.94-2.49). Surgical management was carried out for 414/2275 (18.20%) of the incident (2019) entropion cases and 12/305 (3.93%) of the incident (2019) ectropion cases. Normalisation of conformation-related health issues in certain high profile dog breeds have been discussed as a canine welfare priority for over half a century. The current results suggest that substantial work remains to be done to ensure good innate health for all dogs.

PurposeLax eyelid condition (LEC) and floppy eyelid syndrome (FES) represent two distinct conditions which have been associated with several ocular and systemic comorbidities. The main aim of this systematic review and meta-analysis is to explore the available literature to estimate the prevalence rate of LEC and FES in obstructive sleep apnea (OSA).MethodsThe protocol of this systematic review and meta-analysis has been registered in PROSPERO. Four electronic databases (PubMed/MEDLINE, Google Scholar, Cochrane Library, Web of Science) were searched from inception to December 24, 2021. A random intercept logistic regression model was carried out for the analysis of overall proportions. Odds ratio and mean difference were reported as measures of the effect size in the presence of binary and continuous outcomes, respectively. The estimated numbers of LEC/FES patients in OSA were calculated by multiplying the prevalence rate determined by our random-effects model and the corresponding Benjafield et al.’s population prospect.ResultsWe included 11 studies comprising 1225 OSA patients of whom 431 and 153 affected by LEC and FES, respectively. Our model estimated a pooled prevalence rate for LEC and FES in OSA patients of 40.2% (95%CI: 28.6–53.1%) and of 22.4% (95%CI: 13.8–34.2%), respectively. The number of LEC/FES affected individuals among OSA patients is expected to peak up to 376 and to 210 million, respectively. OSA patients appeared to have a 3.4 (95%CI: 2.2–5.2) and a 3.0 (95%CI: 1.7–5.5) increased risk of developing LEC and FES than the healthy counterpart.ConclusionPrevalence of LEC and FES is higher in OSA-affected patients compared to controls. More studies are warranted to investigate the mechanisms leading to the development of LEC and/or FES in OSA patients, as well as the feasibility of the adoption of these clinical findings as screening tools for OSA.

The aim of this study was to assess changes in headaches, eyebrow height, and electromyographic (EMG) outcomes of the frontalis and orbicularis oculi muscles, after an upper blepharoplasty with or without resecting a strip of orbicularis oculi muscle. In a randomized controlled trial, 54 patients received an upper blepharoplasty involving either only removing skin (group A) or removing skin with an additional strip of orbicularis muscle (group B). Preoperative, and 6 and 12 months postoperative headache complaints were assessed using the HIT-6 scores and eyebrow heights were measured on standardised photographs. Surface EMG measurements, i.e., electrical activity and muscle fatigue, were assessed for the frontalis and orbicularis oculi muscles preoperatively and 2, 6, and 12 months postoperatively. Significantly fewer headaches were reported following a blepharoplasty. The eyebrow height had decreased, but did not differ between groups. Regarding the surface EMG measurements, only group A’s frontalis muscle electrical activity had decreased significantly during maximal contraction 12 months after surgery (80 vs. 39 mV, p = 0.026). Fatigue of both the frontalis and the orbicularis oculi muscles did not change significantly postoperatively compared to baseline. EMG differences between groups were minor and clinically insignificant. The eyebrow height decreased and patients reported less headaches after upper blepharoplasty irrespective of the used technique.

Loading of the upper eyelid is a well-established procedure for the correction of incomplete eyelid closure due to unresolved facial palsy. Some incurable complications are attributed to type IV hypersensivity reaction, but there is no confirmation of this hypothesis. The aim of the study was to show the impact of gold weights on eyelid tissues depending on the implantation site. Out of 94 total patients (aged 53 ± 17 years) treated from July 2009–2021, since 2014 thirty consecutive patients were randomised into one of 3 groups: the GLE group (gold weight fixed 2 mm above the eyelash line), the GUE group (gold weight fixed at the border of the tarsus and the levator aponeurosis), and the PUE group (platinum chain fixed in the same way as in the GUE group). In the cases of complications, the explanted weights were evaluated histopathologically. The outcomes were compared between groups. Incomplete eyelid closure was corrected in all patients. Serious complications were noted in 100% of patients in the GLE group and 20% in the GUE group (p < 0.0001). A slight lymphocytic reaction was observed in the GUE group. A moderate to significant lymphocytic reaction was observed in the GLE group (p < 0.001). Adverse reactions of the upper eyelid microenvironment resulting from gold weights seem to be dependent on mechanical damage to the eyelid structures, rather than on implants themselves. The site of placement of the weight in the upper eyelid may be critical for procedure success.

Purpose Oculoplastic surgeons excise and reconstruct eyelid tumors, although plastic surgeons have traditionally managed these cases. Current demand of this surgery is growing, and planning referral services is a health management necessity. This pilot study retrospectively reviewed same population eyelid specimens excised by both disciplines comparing data. Methods Clinical and epidemiologic features of 1423 eyelid lesions biopsied between 2015- 2020 in Emek Medical Center (EMC), Israel were reviewed. Results Among 1423 specimens, 1210 (85.0%) were benign and 213 (15.0%) were malignant/pre-malignant. Mean age at diagnosis was significantly higher in malignant tumors than in benign tumors (76 and 59 years respectively, p value < 0.001). The most common benign eyelid lesions were soft fibroma (20.1%), seborrheic keratosis (11.0%) and melanocytic nevus (10.3%). The most common malignant/pre-malignant eyelid tumors were basal cell carcinoma (BCC) (9.2%), actinic keratosis (2.6%) and Bowen’s disease (1.9%). Ophthalmology removed 37 malignant/pre-malignant lesions (5.4%) out of 683 compared to plastics removing 142 malignant/pre-malignant lesions out of 740 (19.2%) specimens. Eyelid malignancy in the plastics department was significantly higher than in the ophthalmology department ( p value < 0.001). 270 (70.0%) lesions caused by UV exposure were removed by plastics and 116 (30.0%) were removed by ophthalmology ( p value < 0.001). Conclusions Eyelid lesions in patients aged 76 or older are more likely to be malignant. Ophthalmology eyelid specimens in younger patients are more commonly benign and related to inflammation. Specimens from the plastics department are more commonly malignant, related to UV-exposure, and are from older patients. This difference may be due to a misconception that plastic surgeons have more eyelid cancer reconstruction experience than oculoplastic surgeons, or less awareness of the oculoplastic expertise available today.

Purpose To evaluate the effect of upper eyelid blepharoplasty with or without the removal of a strip of orbicularis oculi muscle on corneal topographic parameters, anterior segment parameters, intraocular pressure, and ocular biometry. Method This prospective study examined 428 eyes of 214 patients with dermatochalasis. Patients were divided into two groups randomly: those who underwent orbicularis oculi muscle excision (Group 1) during blepharoplasty and those who did not (Group 2). Following a detailed ophthalmological examination, corneal topography was used to evaluate the eyes anterior chamber depth (ACD), iridocorneal angle (ICA), keratometry measurements, and corneal astigmatism (CA) in the preoperative and postoperative first and third months. Ocular biometry was used to assess axial length (AXL) and intraocular lens (IOL) power. Goldmann applanation tonometry was used to measure intraocular pressure (IOP). Results The age and gender distribution between the groups were similar ( p  = 0.595 and p  = 0.493, respectively). In Group 1, the mean steep keratometry (K2) value increased by 1.1 D and the mean CA increased by 0.81 D in the first month ( p  < 0.001 for both comparisons). The increases in K2 and CA were 0.7 D and 0.63 D, respectively, in Group 2 ( p  < 0.001 and p  = 0.004, respectively). At the postoperative third month, both groups demonstrated statistically significant persistent elevations in K2 and CA values ( p  < 0.05 for all comparisons) compared to preoperative measurements. Group 1 exhibited statistically significant decreases in both IOL power calculations (0.43 D according to the Barrett formula and 0.40 D according to the SRK/T formula, p  < 0.001, for both) and ICA (38.1 ± 4.7° vs. 35.8 ± 4.1°, p  = 0.009) measurements at the only one-month postoperative follow-up. IOP, AXL, and ACD measurements did not exhibit any significant changes in both groups at the first and third postoperative months. Conclusion In addition to changes in keratometry and CA, blepharoplasty with muscle excision significantly decreased IOL power and ICA. It may be beneficial to inquire about recent blepharoplasty history and the surgical technique employed in patients scheduled for cataract or refractive surgery.