SERPINE3 rs10158878: Understanding Refractive Error Associations
The genetic variant rs10158878 is a single nucleotide polymorphism associated with refractive error phenotypes. It is located in proximity to the SERPINE3 gene, which has been identified in research as potentially important for eye function.
What each genotype means
Typical refractive error risk
This genotype is associated with standard population-level risks for refractive error. Research indicates this variant is in linkage disequilibrium with the SERPINE3 gene, which may play a role in eye development and visual traits.
This is a common genotype found across diverse global populations.
Typical refractive error risk
Carrying one copy of the T allele is associated with typical refractive error profiles in population studies. As this variant is linked to SERPINE3, it is considered a candidate marker for visual acuity traits, though individual outcomes vary significantly.
This heterozygous genotype is frequently observed in many ancestral groups.
Typical refractive error risk
This genotype is statistically associated with refractive error phenotypes in human studies. While it serves as a genetic marker for eye-related traits, it does not determine your specific vision health, which is influenced by many environmental and genetic factors.
This genotype is common, though its exact frequency varies by ancestry.
What is rs10158878?
The variant rs10158878 is a single nucleotide polymorphism (SNP) located in the human genome. It is situated approximately 20 kb upstream of the LACTBL1 gene and is recognized in scientific literature for its linkage disequilibrium with the SERPINE3 gene. Linkage disequilibrium refers to the non-random association of alleles at different loci in a given population, meaning that this SNP is often inherited alongside specific variations in the SERPINE3 region. SERPINE3 is a gene that has gained attention in recent years due to its potential role in vision. Research comparing the genomes of various mammalian species has suggested that SERPINE3 may be essential for maintaining proper eye function, as its loss or inactivation is observed in species that have evolved to have poor or compromised vision. Consequently, SNPs like rs10158878 serve as genetic markers that help researchers investigate the biological pathways that influence human eye health and refractive errors.
Associations with Refractive Error
Scientific research, including data from the GWAS Catalog, has associated rs10158878 with refractive error phenotypes in humans. Refractive error is a common eye condition where the shape of the eye does not bend light correctly, resulting in blurred vision, such as myopia (nearsightedness) or hyperopia (farsightedness). The association between this variant and refractive error is considered moderate, reflecting the complex, polygenic nature of vision-related traits. Most human traits are influenced by hundreds or thousands of genetic variants, each contributing a small effect. Therefore, while rs10158878 is statistically linked to these phenotypes, it is only one piece of a much larger genetic puzzle. Scientists continue to study this region to determine if the variant directly influences the expression of SERPINE3 or if it acts as a proxy for other functional changes in the nearby genomic landscape that affect the development or maintenance of the eye.
Understanding Genetic Information
The variant rs10158878 is common in many human populations, making it a frequent subject of study in large-scale genomic research. It is important for the public to understand that identifying a genetic association with a trait like refractive error does not constitute a medical diagnosis. Refractive errors are influenced by a combination of genetic, environmental, and developmental factors. Having a specific genotype at this location does not determine an individual's vision quality, nor does it provide a roadmap for clinical treatment. This information is provided for educational purposes to illustrate how modern genomics identifies potential links between DNA and human health. If you have concerns about your vision or refractive errors, the most appropriate course of action is to schedule an appointment with an optometrist or ophthalmologist. They can provide comprehensive eye exams and discuss evidence-based options for vision correction, which are independent of your genetic profile.
How common is this variant?
This variant is common across many human populations, allowing for robust statistical analysis in large-scale genome-wide association studies.
Frequently asked questions
Is rs10158878 a cause of nearsightedness?
No. It is a genetic marker associated with refractive error phenotypes. Refractive errors are complex traits influenced by many genetic and environmental factors, not a single variant.
What is the role of SERPINE3 in the eye?
Research suggests SERPINE3 may be important for good vision. Studies in other mammals show that its inactivation is linked to poor vision, implying it plays a role in maintaining retinal health or eye function.
Can I use this information to predict my child's vision?
No. Genetic markers like rs10158878 provide only a tiny fraction of the information regarding vision. Vision is determined by many factors, and genetic testing for refractive error is not currently used for clinical prediction.
Where can I find more information on eye genetics?
You can explore resources like MedlinePlus Genetics or the National Eye Institute for reliable information on how genes influence eye health and common vision conditions.
Sources & further reading
Educational information only, last refreshed 11/5/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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