Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

Lea
Lv 5
Lea asked in Science & MathematicsMedicine · 1 decade ago

Neovascularization?

Can you tell me about corneal neovascularization? For example, how likely is it to worsen? And is it reversible? Please, anything and everything you know about corneal neovascularisation ...

Thank you ...

6 Answers

Relevance
  • 1 decade ago
    Favorite Answer

    Forget all the technical stuff.

    Do you have neo because you were wearing your contacts too much? This is what happens: your cornea is avascular--it has no blood vessels (because it needs to be clear) and it gets all its oxygen from the air. Now you put a contact on the eye, wear it all the time, and the cornea is not getting enough oxygen. The body thinks it is doing a good thing and starts growing blood vessels into the cornea (corneal neovascularization) in order to provide more oxygen to the area. Except in extreme cases, neo is not harmful in and of itself, but it is a signal that the cornea is not getting enough oxygen, which can lead to other problems, like corneal ulcers, swelling, and infections.

    You should see your eye doctor and be fit with more oxygen permeable contacts, such as Focus Night and Day, PureVision, O2 Optix, Extreme H2O, or Acuvue Advance. You should also wear your glasses more often.

    The neovascularization will lessen, and will leave "ghost vessels", which are vessel walls without a blood supply.

    Source(s): I'm an optometrist.
  • Anonymous
    1 decade ago

    Neovascularization: the formation of functional microvascular networks with red blood cell perfusion.

    Note: neovascularization differs from angiogenesis in that angiogenesis is mainly characterized by the protrusion and outgrowth of capillary buds and sprouts from pre-existing blood vessels

    Corneal neovascularisation, and subsequent lipid keratopathy is a potential complication of penetrating keratoplasty, corneal trauma, and corneal ulceration. Corneal neovascularisation increases the risk of corneal opacification and graft rejection. Photodynamic therapy (PDT) using systemically or topically administered photosensitisers to occlude corneal vessels has successfully produced microvascular thrombosis without causing overt damage to surrounding tissues in animal models.1,2 The efficacy of PDT is achieved through the generation of reactive oxygen species from the interaction of light, oxygen, and photosensitisers such as verteporfin,3 commonly used to treat choroidal neovascularisation. Although animal models have demonstrated treatment parameters for corneal PDT,1 there have been no human studies to date. We present a case of lipid keratopathy secondary to corneal neovascularisation that was successfully treated with corneal PDT.

  • 1 decade ago

    Neovascularization is abnormal growth of blood vessels in areas of the eye including the inner back lining where images are processed (retina) and the clear front covering of the eyeball (cornea). Neovascularization in the retinal area can be associated with vision loss in diseases such as age-related macular degeneration and retinitis pigmentosa. Corneal neovascularization can be linked to eye diseases causing inflammation. Corneal neovascularization also can result as a complication of wearing contact lenses.

    If the root cause is not eliminated then the condition will worsen, potentially leading to other medical issues.

  • ?
    Lv 4
    5 years ago

    there is a few degree of overlap b/wn the two; i assume that neovascularization means that there is a few form of underlying "regrowth," while angiogenesis is a extra popular term. interior the context of an endovascular stent, I decide to apply the term neovascularization as i think that's extra precise. i'd examine the definition in Stedman's for a extra precise answer.

  • How do you think about the answers? You can sign in to vote the answer.
  • 1 decade ago

    visit an ophthalmologist, if the condition is a benign one Laser may help. the others have helped you a lot, i agree with the previous.

  • 1 decade ago

    Please see the Google search results on Corneal neovascularization.

Still have questions? Get your answers by asking now.