---
title: What is keratoglobus?
description: "Keratoglobus is a rare condition where the cornea becomes extremely thin and bulges forwards in a more uniform, globe-like shape. ## Effects of keratoglobus on vision The extreme thinning makes the eye more vulnerable to injury, even from minor knocks.…"
url: "https://bluefinvision.com/knowledge-base/topics/conditions-diseases/what-is-keratoglobus/"
updated: "2025-12-31"
category: "Conditions & Diseases"
---

# What is keratoglobus?

Keratoglobus is a rare condition where the cornea becomes extremely thin and bulges forwards in a more uniform, globe-like shape.

## Effects of keratoglobus on vision

The extreme thinning makes the eye more vulnerable to injury, even from minor knocks. Vision is often blurred due to irregular focusing and high astigmatism.

- Symptoms may include glare, ghosting, and difficulty seeing clearly
- Thinning tends to involve the entire cornea rather than one area
- There is an increased risk of corneal rupture with trauma
- The condition may be associated with connective tissue disorders

## Treatment and protection

Management focuses on protecting the thin cornea and improving sight. Early specialist care helps plan safe options and reduces the chance of sudden complications.

- Protective eyewear is strongly recommended for daily activities and sport
- Specialist contact lenses can sometimes improve visual clarity
- In severe cases, corneal graft surgery may be considered
- Regular monitoring checks for further thinning or new symptoms