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Difference between glaucoma and cataracts

Both glaucoma and cataracts are the same physical disorder which causes loss of vision or problems with vision. Cataracts are gradual and painless and are manifested by a loss of transparency on the other hand glaucoma are either quick and painful or slow and subtle. Now we can check it out the difference between both of this same disorder related to the eye vision. 
Notes: Glaucoma and cataracts are more prevalent in people who suffer from diabetes.

Glaucoma : 

 Glaucoma is a condition that leads to a slow vision loss in the eyes. It can occur in one or both eyes, though it does not spread from one eye to the other.

Cataracts :
Cataracts, on the other hand, are a condition when the lenses of the eyes tend to become cloudy and vision becomes blurry.

Difference between glaucoma and cataracts :


  • Unlikely to because of blindness in cataracts, not so with glaucoma. It can cause irreversible blindness and must be treated. 
  • A cataract occurs primarily due to old age, while glaucoma is a disease that can occur anytime but it also primarily affects older people.
  • Glaucoma is a group of diseases that damage the eye’s optic nerve so the result in vision loss and blindness while in case of cataract is a clouding of the lens in the eye that affects vision. 
  • In case of cataracts lens of the eye become cloudy but in glaucoma optic nerve is damaged due to eye injuries which raise intraocular pressure.
Common symptoms of cataracts :
  • Cloudy, blurry vision.
  • A discoloured person can look grey or white to others.
  • Problems with glare during a day.
  • Double vision. 
  • The distorted lens acts as a filter so that changes in the way you see colour.
  • The appearance of HALOS around lights especially when driving in a night. 
Common symptoms of glaucoma :
  • Slowly losing eyesight overtime.
  • Redness and pain in eyes.
  • Vomiting
  • Nausea 
  • Tunnel vision 
  • Loss of peripheral side vision 
  • Initially no pain but pain after some days.
Types of glaucoma :
  • Angle-closure (acute) glaucoma 
  • Congenital glaucoma
  • Secondary glaucoma 
Types of cataracts :
  • Age-related cataract 
  • Cortical senile cataracts 
  • Senile nuclear cataracts 
  • Congenital cataracts 
  • Secondary cataracts 
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