Types of Treatments
Primary or recurrent pterygium surgery, associated or not with Simblefaro
Surgical treatment in our institution, is indicated when the pterygium causes discomfort to the patient or increases in size until occupying the pupillary area preventing vision. The pterygium surgery lies in an exeresis of the pterygium and instead a conjunctival autograft is placed. it is taken from the upper bulbar conjunctiva of the eye itself or from the eye against the lateral conjunctiva. When the pterygium is recurrent it is sometimes necessary to perform a peripheral lamellar keratoplasty.
Transplant of superficial or deep anterior lamellar cornea
The superficial anterior lamellar cornea transplant is performed up to 300 microns superficial and can be performed with excimer laser or femtosecond laser. It is indicated in:
Keratoconus when the cornea is transparent or has a superficial opacity.
Opacities of the cornea that only affect the anterior stroma.
The deep lamellar cornea transplant is performed up to the Descemet membrane and is indicated in:
Keratoconus with opacity to the middle stroma that does not have a scar that affects Descemet’s membrane.
Opacities of the cornea that do not compromise the Descemet membrane.
Penetrating Partial Cornea Transplant
The intervention lies in removing a total corneal button, of variable diameter, suturing in its place a transparent donor corneal button with good vitality. It is indicated in:
Opacities of the congenital or acquired cornea, advanced keratoconus, perforated ulcer of the cornea or descemetocele.
Treatment for the Pterigion
The pterygium consists of an abnormal growth of connective tissue on the cornea, causing the eye to have a congestive appearance (red eye), and that the person who suffers it, has the sensation of having a foreign body in it. The exact cause of the pterygium is unknown. Some factors such as increasing age, wind, exposure to sunlight, irritants such as smoke, dust, solvents and industrial chemicals contribute to the formation of the pterygium, and once formed, cause it to become inflamed easily.
Occlusion surgery of the lacrimal spot
It presupposes the occlusion of the inferior lacrimal point with a conjunctival graft, taken from the inferior bulbar conjunctiva. It is indicated in patients with severe dry eye.
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