Vectra 3D Simulation in Lower Eyelid Blepharoplasty: How Accurate is it?

Miranda, Ricardo; Matayoshi, Suzana

doi:10.1007/s00266-021-02661-1

Cited by 6 publications

(6 citation statements)

References 34 publications

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“…Moreover, results of previous studies suggest that it may also be more clinically feasible for surgical outcome assessment to superimpose two 3D images before and after surgery, (13)(14)(15)20). Additionally, the reliability of this novel modified area selection strategy and the method mentioned above based on the orbital rim should be compared in future study.…”

Section: Discussionmentioning

confidence: 99%

“…As shown in Table 3, volume analysis has been studied in lower blepharoplasty in clinical practice. The medial, central, and lateral lower eyelid compartments have also been divided by the vertical lines tangential to the medial canthus, medial corneal limbus, lateral corneal limbus, and lateral canthus, respectively (15). The upper and lower limits of the lower eyelid compartments have been considered as the ciliary margin of the lower eyelid and the lower margin of the orbit, respectively.…”

Section: Discussionmentioning

confidence: 99%

“…Moreover, as a unique advantage of the 3D surface imaging system, the measurement of periocular area and volume is becoming increasingly popular in clinical practice. The 3D volume changes in the lower eyelid region are evaluated after blepharoplasty with or without fat pad transposition and fat grafting (13)(14)(15). As for the upper eyelid region, 3D imaging has also shown potential applications.…”

Section: Introductionmentioning

confidence: 99%

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A novel standardized approach for the 3D evaluation of upper eyelid area and volume

Guo¹,

Rokohl²,

Fan³

et al. 2023

Quant Imaging Med Surg

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Background: Three-dimensional (3D) surface imaging and morphometrics are becoming the preferred craniofacial surface imaging modality. However, as a unique advantage of 3D imaging, areal and volumetric measurements have been rarely conducted and validated for evaluating soft tissue change in the periocular region, especially the upper eyelids. Therefore, based on an existing periocular landmark identification strategy, we proposed a novel modified method to define a standardized upper eyelid region for areal and volumetric measurements and validate its reliability for future clinical application.Methods: Forty-four healthy adult volunteers were enrolled in this cross-sectional study. Threedimensional facial images were taken with a 3D imaging system. Subsequently, the upper eyelid region selection and areal and volumetric measurements were conducted using a modified landmarks localization strategy to evaluate their intrarater, interrater, and intramethod reliability.Results: Areal measurement of the upper eyelid revealed highly reliable outcomes for intraclass correlation coefficient (ICC), mean absolute difference (MAD), relative error measurement (REM), technical error of measurement (TEM), and relative technical error of measurement (%TEM) of 0.982, 0.1620 cm 2 , 2.9%, 0.1510 cm 2 , and 2.7% for intrarater reliability, respectively; 0.969, 0.2076 cm 2 , 3.7%, 0.1930 cm 2 , and 3.5% for interrater reliability, respectively; and 0.917, 0.3636 cm 2 , 6.5%, 0.3354 cm 2 , and 6.0% for intramethod reliability, respectively. Unsatisfactory results were found for the volumetric measurement of the upper eyelid: the ICC, MAD, REM, TEM, and %TEM estimates for intrarater reliability were 0.992, 0.2299 mL, 10.3%, 0.2414 mL, and 10.8%, respectively; for interrater reliability, these values were 0.985, 0.2749 mL, 12.3%, 0.3253 mL, and 14.6%, respectively; and for intramethod reliability, these values were 0.433, 1.6716 mL, ^ ORCID: Yongwei Guo,

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A novel standardized approach for the 3D evaluation of upper eyelid area and volume

Guo¹,

Rokohl²,

Fan³

et al. 2023

Quant Imaging Med Surg

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“…They can implement the digital workflow of clinicians. Their use for surgical planning has been described for procedures such as rhinoplasty [ 18 ] and blepharoplasty [ 19 ]. Thanks to their integrated software, Vectra devices could allow soft-tissue-based treatment planning.…”

Section: Discussionmentioning

confidence: 99%

Validation of Vectra 3D Imaging Systems: A Review

Stefani

Barone

Alamdari

et al. 2022

IJERPH

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Aim: Three-dimensional facial imaging systems are a useful tool that is gradually replacing two-dimensional imaging and traditional anthropometry with calipers. In this varied and growing landscape of new devices, Canfield (Canfield Scientific, Parsippany, NJ, USA) has proposed a series of static and portable 3D imaging systems. The aim of this systematic review was to evaluate the current literature regarding the validation of Canfield’s Vectra imaging systems. Materials and Methods: A search strategy was developed on electronic databases including PubMed, Web of Science and Scopus by using specific keywords. After the study selection phase, a total of 10 articles were included in the present review. Results: A total of 10 articles were finally included in the present review. For six articles, we conducted a validation of the Vectra static devices, focusing especially on the Vectra M5, Vectra M3 and Vectra XT. For four articles, we validated the Vectra H1 portable system. Conclusions: All of the reviewed articles concluded that Canfield’s Vectra 3D imaging systems are capable of capturing accurate and reproducible stereophotogrammetric images. Minor errors were reported, particularly in the acquisition of the perioral region, but all the evaluated devices are considered to be valid and accurate tools for clinicians.

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“…The VECTRA Ò 3D imaging system (Canfield Scientific Inc.), which is used worldwide, is mainly used to assess mammaplasty results in the field of plastic and reconstructive surgery [30][31][32][33][34]. Limited reports have addressed the application of this particular system for the evaluation of facial aesthetic surgery results, especially in the periorbital area [35,36]. Our study indicated that the VECTRA Ò 3D imaging system could be used to evaluate the volume change in the upper eyelid.…”

Section: Discussionmentioning

confidence: 99%

Correction of Mild-to-Moderate Sunken Upper Eyelids of Asians with Stromal Vascular Fraction Gel

Ding

Shen

et al. 2022

Ophthalmol Ther

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Introduction: Fat grafting is an efficient and safe procedure for the correction of upper eyelid sulcus deepening. Stromal vascular fraction (SVF) gel has been proven to be an ideal fat derivative and can be widely used for facial augmentation. We aimed to determine the efficacy of SVF gel for the correction of a mildto-moderate sunken superior sulcus among Asian patients. Methods: Patients with a mild-to-moderate sunken superior sulcus underwent SVF gel grafting of the sunken upper periorbital area.The primary result was the quantitative volume difference in the superior sulcus region before and after grafting. This was evaluated through three-dimensional VECTRA Ò imaging. The secondary results included the aesthetic quantitative evaluation results (upper lid area and pretarsal space ratio), global aesthetic improvement scale (GAIS) score, and complications. Results: Thirty-one patients with mild-tomoderate sunken upper eyelids were included in this study. The average unilateral injected amount was 1.235 mL (± 0.171 mL). The 1-year delta volume was 0.801 ± 0.086 mL, and the effective survival volume was 65.3% (± 6.1%). The median preoperative pretarsal space and upper lid area ratio was 1.010 (± 0.150). The median postoperative pretarsal space and upper lid area ratio at 1 year was 0.159 (± 0.031) (n = 62; P \ 0.0001), indicating a significantly reduced sunken appearance. The average GAIS score was 2.174 (± 0.391). All patients were satisfied with their surgical outcomes. The reoperation rate was 12.9%. Conclusions: SVF gel is safe and effective for the treatment of a mild-to-moderate sunken superior sulcus and is associated with satisfactory clinical outcomes and short recovery times.

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Vectra 3D Simulation in Lower Eyelid Blepharoplasty: How Accurate is it?

Cited by 6 publications

References 34 publications

A novel standardized approach for the 3D evaluation of upper eyelid area and volume

A novel standardized approach for the 3D evaluation of upper eyelid area and volume

Validation of Vectra 3D Imaging Systems: A Review

Correction of Mild-to-Moderate Sunken Upper Eyelids of Asians with Stromal Vascular Fraction Gel

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