Related Experiment Video
Updated: Jan 25, 2026

08:25
Evaluating the Function of the Foot Core System in the Elderly
Published on: March 11, 2022
3.2K
Vitreomacular Interface Abnormalities and Glaucoma in an Elderly Population (The MONTRACHET Study)
Julie Blanc1, Alassane Seydou2,3, Inès Ben Ghezala1
1University Hospital, Department of Ophthalmology, Dijon, France.
Investigative Ophthalmology & Visual Science
|May 9, 2019
Summary
Vitreomacular interface abnormalities (VMIA) prevalence was similar in elderly glaucoma and non-glaucoma patients. Macular OCT findings require careful interpretation for glaucoma management in older adults.
Area of Science:
- Ophthalmology
- Geriatric Medicine
- Retinal Imaging
Background:
- Vitreomacular interface abnormalities (VMIAs) are common in aging eyes.
- Glaucoma affects optic nerve health, and its impact on the macula is of interest.
- Understanding VMIA prevalence in elderly glaucoma patients is crucial for accurate diagnosis and management.
Purpose of the Study:
- To determine the prevalence of vitreomacular interface abnormalities (VMIAs) in a French elderly population with glaucoma.
- To compare VMIA prevalence between glaucomatous and non-glaucomatous individuals in this cohort.
Main Methods:
- Utilized data from the MONTRACHET population-based study (Dijon, 2009-2013).
- Included 1130 participants (2225 eyes) aged over 75 years.
- Analyzed prevalence of VMIAs, including vitreomacular adhesions, epiretinal membranes, and macular cysts.
Main Results:
- Overall VMIA prevalence was similar between glaucoma (51.85%) and non-glaucoma (53.92%) groups.
- Epiretinal membranes were more frequent in glaucoma patients (47.06% vs. 38.13%).
- Macular cysts were more frequent with preservative-free eye drops (26.67%) compared to preservative-containing ones (3.37%, 5.76%).
Conclusions:
- The prevalence of VMIAs is high in the elderly and comparable between glaucomatous and non-glaucomatous individuals.
- Macular optical coherence tomography (OCT) findings should be interpreted cautiously in elderly glaucoma patients.
- Further research may be needed to clarify the clinical significance of VMIA subtypes in glaucoma management.
Related Concept Videos
Conservation of Small Populations
16.7K
Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...
16.7K
Abnormal Proliferation
5.1K
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
5.1K
Glaucoma: Overview
1.3K
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
1.3K
What is Population Genetics?
64.5K
A population is composed of members of the same species that simultaneously live and interact in the same area. When individuals in a population breed, they pass down their genes to their offspring. Many of these genes are polymorphic, meaning that they occur in multiple variants. Such variations of a gene are referred to as alleles. The collective set of all the alleles within a population is known as the gene pool.
64.5K
Protein-protein Interfaces
14.6K
Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a...
14.6K
Open Angle Glaucoma: Treatment
973
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
973

