ArticleInvestigative ophthalmology & visual science2023
Genotype Impacts Axial Length Growth in Pseudophakic Eyes of Marfan Syndrome.
Article in Investigative ophthalmology & visual science, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 6 citations in OpenAlex.
- Charting the Phenotypic Landscape of FBN1 Variants in Marfan Syndrome With Ectopia Lentis Through Extreme Phenotype Sampling.Investigative ophthalmology & visual science · 2026Article
- Excessive Stretching Drives RPE Inflammation and ECM Remodeling in Ectopia Lentis Retinopathy.International journal of molecular sciences · 2026Article
- In-bag vs out-of-bag intraocular lens implantation for ectopia lentis: prospective comparative study.Journal of cataract and refractive surgery · 2026Article
- Phenotype-driven clustering of ocular manifestations reveals prognostic and genetic heterogeneity in Marfan syndrome: a real-world longitudinal cohort study.Journal of translational medicine · 2025Article
- Corneal Biomechanics Are Associated With FBN1 Mutations in Patients With Marfan Syndrome and Ectopia Lentis.Investigative ophthalmology & visual science · 2025Article
- Clinical ocular prediction model of postoperative ametropic amblyopia in patients with congenital ectopia lentis.Frontiers in medicine · 2024Article
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purpose: The purpose of this study was to investigate the relationship between axial length (AL) growth and FBN1 genotype in patients with Marfan syndrome (MFS) after lens surgery and customize the selection of intraocular lens (IOL) power. Methods: Patients with MFS who had lens surgery and primary IOL implantation received panel-based next-generation sequencing (NGS). The rate of axial length growth (RALG) was calculated using pre- and postoperative AL measurements and corrected log10-transformed age. A multivariable regression model of RALG was developed after analyzing the effect of FBN1 genotypes and confounding factors. Results: A total of 139 probands of MFS with a median age at lens surgery of 6.25 years (interquartile range [IQR] = 4.67, 12.50 years) were followed up for a median duration of 2.08 years (IQR = 1.16, 3.00 years). The AL growth curve between the age of 3 and 15 years old was logarithmic. Dominant-negative (DN) variants affecting the disulfide-bridge forming cysteines and the conserved residues for calcium-binding had significantly higher RALG than DN variants affecting other structures (P = 0.001) but comparable to that of haplo-insufficiency variants (P = 1.000). Pre-operative AL (b = 0.563, P = 0.011) and genotype constant (b = 2.603, P = 0.011) were significantly associated with RALG in the final model. A Python-based calculator, Marfan IOL Calculator version 2.0, was programmed using the RALG to predict postoperative AL and customize IOL selection based on the ocular biometric parameters and FBN1 genotype. Conclusions: FBN1 genotype impacted the growth of AL in patients with MFS after IOL implantation. Knowing the FBN1 genotype could help cataract surgeons to customize IOL selection.
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