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Related Experiment Video

Updated: Jun 23, 2026

Correction of Presbyopia by Monocular Bi-Aspheric Ablation Profile

Published on: September 20, 2024

Keratoconus with high hyperopia.

¹IOBA-Eye Institute, University of Valladolid, Valladolid, Spain. raul@ioba.med.uva.es

Eye & Contact Lens

|May 8, 2009

Summary

This case study highlights that keratoconus, a corneal disease, can occur in individuals with high hyperopia. Management with rigid gas-permeable contact lenses is a viable option for hyperopic keratoconus.

Area of Science:

Ophthalmology
Corneal Diseases
Refractive Errors

Background:

High hyperopia is a refractive error characterized by farsightedness.
Keratoconus is a progressive eye condition where the cornea thins and bulges outward.
The co-occurrence of high hyperopia and keratoconus is considered rare.

Observation:

A 32-year-old male with a 10-year history of hydrogel contact lens wear presented with severe hyperopia.
Corneal topography (Orbscan) revealed bilateral asymmetric keratoconus, characterized by irregular astigmatism and abnormal corneal elevations.
Slitlamp biomicroscopy showed Vogt striae in the right eye.

Findings:

The patient exhibited high hyperopia with significant refractive error in both eyes.
Orbscan topography confirmed bilateral keratoconus with asymmetric corneal changes and thinning.

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A Laser-induced Mouse Model of Chronic Ocular Hypertension to Characterize Visual Defects

A Laser-induced Mouse Model of Chronic Ocular Hypertension to Characterize Visual Defects

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Correction of Presbyopia by Monocular Bi-Aspheric Ablation Profile

Published on: September 20, 2024

A Laser-induced Mouse Model of Chronic Ocular Hypertension to Characterize Visual Defects

A Laser-induced Mouse Model of Chronic Ocular Hypertension to Characterize Visual Defects

Published on: August 14, 2013

Successful fitting of high Dk rigid gas-permeable (RGP) contact lenses designed for keratoconus improved visual acuity to 1.0 in both eyes.

Implications:

This case demonstrates that keratoconus can manifest in patients with high hyperopia.
Rigid gas-permeable contact lens fitting, a standard approach for keratoconus, appears effective for managing hyperopic keratoconus.
Further research may explore the prevalence and specific management strategies for this rare condition.