Understandings Corneal Dystrophies
                     Understanding 
Corneal 
Dystrophies: 
Types, 
Symptoms, and 
Treatment 
Options
Here is where your 
presentation begins
Introduction
● Corneal dystrophies are a group of genetic disorders that 
affect the cornea, which is the clear, dome-shaped surface of 
the eye that covers the iris and the pupil. These conditions 
can cause a wide range of visual problems, including blurred 
vision, sensitivity to light, and corneal opacity. In this article, 
we will discuss the types, symptoms, and management of 
corneal dystrophies.
Anatomy of the cornea
• The cornea is the transparent, dome-shaped structure at the front of the eye. It 
is the eye's outermost layer and serves as a protective barrier against dust, 
germs, and other harmful particles. The cornea is made up of five layers, 
including the epithelium, Bowman's layer, stroma, Descemet's membrane, and 
endothelium. Each layer of the cornea has a specific function in protecting and 
maintaining the eye's structure and vision. The cornea also contains nerve 
endings, which make it highly sensitive to touch and other stimuli. The cornea 
plays a vital role in allowing light to enter the eye and focusing it on the retina 
at the back of the eye, which is necessary for clear vision.
Layers of the cornea
The cornea, which is the clear outer layer of the eye, is composed of 
five distinct layers. Starting from the outermost layer, they are the 
epithelium, Bowman's layer, stroma, Descemet's membrane, and 
endothelium. The epithelium is a thin, protective layer that acts as 
the first line of defense against foreign particles and helps to 
maintain the cornea's smoothness. Bowman's layer is a thin layer of 
connective tissue that provides structural support to the cornea. The 
stroma is the thickest layer of the cornea, responsible for its 
transparency and refractive properties. Descemet's membrane is a 
thin, transparent layer that acts as a barrier between the stroma and 
the endothelium. The endothelium is a single layer of cells that 
regulate the hydration of the cornea by pumping out excess fluid. 
Each layer of the cornea has a unique structure and function that 
contributes to its overall health and proper functioning of the eye.
Functions of the cornea
Refraction Protection Sensitivity
Transparency Hydration
Types of 
Corneal 
dystrophies
Epithelial 
Basemen
t 
Membran
e 
Dystroph
y (EBMD)
Fuchs’ 
Endothelial 
Dystrophy 
(FED)
Lattice 
Dystrophy
Macular 
Dystrophy
Granular 
Dystrophy
Symptoms of 
Corneal 
• The sympdtomys osf cotrnreaol dypstrohphiees casn vary 
depending on the type and severity of the 
condition. Some of the most common symptoms 
include:
• Pain or discomfort in the eye
• Blurred vision or vision loss
• Sensitivity to light
• Corneal opacity or cloudiness
• Recurrent corneal erosions
• Corneal scarring
Diagnosis of Corneal 
dystrophies
         A diagnosis of corneal dystrophy is typically made through a 
comprehensive eye exam, including a visual acuity test, slit-
lamp examination, and corneal topography. Your 
ophthalmologist may also perform an optical coherence 
tomography (OCT) to evaluate the thickness of the cornea and 
identify any abnormalities in the layers of the cornea.
Management of 
Corneal dystrophies
The management of corneal dystrophies depends on the type 
and severity of the condition. Non-surgical management 
options may include the use of lubricating eye drops, soft 
contact lenses, and other medications to control symptoms 
such as inflammation or pain.
For more advanced cases, corneal transplant surgery may be 
necessary to replace the damaged or diseased cornea with a 
healthy donor cornea. This procedure has a high success rate 
and can significantly improve vision for patients with severe 
corneal dystrophies.
Prevention of Corneal dystrophies
As corneal dystrophies are genetic in nature, there is no definitive way to 
prevent them from occurring. However, regular eye examinations and 
genetic counseling can help identify any potential risks or predispositions 
to developing these conditions.
It is also important to protect the eyes from trauma or injury, as this can 
increase the risk of developing corneal dystrophies. Wearing protective 
eyewear during sports or other high-risk activities can help minimize the 
risk of eye injury.
Conclusion
In conclusion, corneal dystrophies are a group of genetic disorders that affect the 
clarity and functioning of the cornea, the transparent outer layer of the eye. There 
are various types of corneal dystrophies, each with its unique symptoms and 
progression. While some dystrophies may be asymptomatic and benign, others can 
cause severe visual impairment, including blindness. The management of corneal 
dystrophies typically involves a combination of medical and surgical interventions, 
depending on the severity of the condition. These may include the use of medicated 
eye drops, contact lenses, or corneal transplant surgery. It is important for 
individuals with a family history of corneal dystrophies to undergo regular eye 
examinations and seek medical attention if they experience any changes in their 
vision. With proper diagnosis and management, individuals with corneal dystrophies 
can often achieve better vision and maintain their quality of life.
Shri Krishna Netralaya’s Expertise
Dr. Manasi 
Dr. Rohit Bang
Bang
M.S DNB, FMRF MS. DOMS, FGO
Thank You