How is pinguecula different from pterygium?
Pterygium is the fleshy triangular mass that extends to the cornea while pinguecula is the yellowish elevated bump or lump that does not grow across the cornea. Pterygium can be a lot more obvious as it grows onto the clear surface of the cornea.
Is pterygium a pathology?
Pterygium is a common eye disease, linked to an increased exposure to UV radiation and dry environments. The associated pathology culminates in visual impairment and, in some rare cases, blindness. However, there remains a lot of uncertainty concerning the pathogenesis of this fibrovascular lesion.
Is pterygium a pinguecula?
Pinguecula (left) is accumulation of conjunctival tissue at the nasal or temporal junction of the sclera and cornea. Pterygium (right) is conjunctival tissue that becomes vascularized, invades the cornea, and may decrease vision.
How is pterygium diagnosis?
Diagnosing a pterygium is straightforward. Your eye doctor may diagnose this condition based on a physical examination using a slit lamp. This lamp allows your doctor to see your eye with the help of magnification and bright lighting.
Is pinguecula precursor of pterygium?
It appears to be a precursor of pterygium, which may encroach onto the cornea. However, the relation of pinguecula and pterygium is controversial, and the progression of pinguecula to pterygium has come into question. Pinguecula does not affect visual acuity.
Can optometrist treat pterygium?
Having carefully examined the affected eye(s) the optometrist will record the dimensions of the pterygium for future comparison. Artificial tears and lubricating ointment may be enough to control the irritation of the eyes. If the pterygium is inflamed, a short course of steroid eye drops may be prescribed.
How is pinguecula and pterygium treated?
In early stages, pinguecula and pterygium can often be treated with artificial tears if the eye feels mildly irritated. Your doctor may suggest removal of pinguecula or pterygium if the growth: become thickened and painful. affects how the eye blinks.
How can pinguecula and pterygium be prevented?
Top 3 Ways to Prevent Pinguecula and Pterygium
- Protect your eyes as much as possible from sun exposure with wraparound sunglasses.
- Keep your eyes protected in dry, dusty conditions with wraparound glasses, goggles or other protective eyewear.
Is probe test positive in pterygium?
Bowman’s probe test was helpful in differentiating the true pterygium from the pseudopterygium by the inability of the probe to insinuate freely underneath the body of the primary pterygium, due to its adherence to underlying episclera and the sclera throughout the extent of the growth.
Is Pseudopterygium progressive?
Pseudopterygium is the conjunctival adhesion to cornea caused by limbal or corneal inflammation or trauma….Differential diagnosis.
| Pterygium | Pseudopterygium | |
|---|---|---|
| Status | Progressive(commonly) or stationary | Always stationary |
| Neck | Adherent to limbus | Free |
What is Pseudopterygium?
[ sōō′dō-tə-rĭj′ē-əm ] n. A pterygium of irregular shape that may appear at any part of the corneal margin of the eye and that occurs following diphtheria, a burn, or other injury of the conjunctiva.
What are Pinguecula and Pterygium?
Pinguecula – A small, yellow, fleshy growth on the sclera (the protective outer layer) of our eye. The growth occurs because of UV light exposure. Pterygium – Or surfer’s eye, is when sun exposure/UV light causes damage that advances beyond the border of our cornea. A pterygium can remain small or grow quite large and extend towards the pupil.
What is another name for pterygium?
Pterygium (tur-IJ-ee-um): It is also known as surfer’s eye. Pterygium is a mass of tissue that may have started as a pinguecula from the conjunctiva. The tissue is often raised and invades the cornea from the sclera (the white part of the eye), causing vision problems.
What is pterygium (surfer’s eye)?
Pterygium (tur-IJ-ee-um): It is also known as surfer’s eye. Pterygium is a mass of tissue that may have started as a pinguecula from the conjunctiva. The tissue is often raised and invades the cornea from the sclera (the white part of the eye), causing vision problems. Notice in the image above, the mass of tissue grows onto the cornea.
Does pinguecula change the shape of the cornea?
It is also known to change the shape of the cornea, which causes changes in your vision, or an increase in astigmatism if not treated. A pterygium can easily become inflamed with wind and further UV exposure as well. Unlike a pterygium, a pinguecula is typically not harmful to your vision.