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  2. Scleral lens - Wikipedia

    en.wikipedia.org/wiki/Scleral_lens

    A scleral lens is a prototypical lens dating back to the early 1880s. Originally these lenses were designed by using a substance to take a mold of the eye. Lenses would then be shaped to conform to the mould, initially using blown glass and then ground glass in the 1920s and polymethyl methacrylate in the 1940s. [ 6 ]

  3. Glued intraocular lens - Wikipedia

    en.wikipedia.org/wiki/Glued_intraocular_lens

    Similarly the trailing haptic is then externalized using the "handshake technique". Scleral pockets are made at the edge of the flap with a 26-gauge needle just parallel to the sclerotomy site, into which the two haptics are then tucked for additional stability (Fig 4). The scleral flaps are then glued back into place using biological glue.

  4. Manual small incision cataract surgery - Wikipedia

    en.wikipedia.org/wiki/Manual_small_incision...

    Manual small incision cataract surgery (MSICS) is an evolution of extracapsular cataract extraction (ECCE); the lens is removed from the eye through a self-sealing scleral tunnel wound. A well-constructed scleral tunnel is held closed by internal pressure, is watertight, and does not require suturing.

  5. Ocular prosthesis - Wikipedia

    en.wikipedia.org/wiki/Ocular_prosthesis

    Polymethyl methacrylate (PMMA), [6] commonly known as acrylic, is a transparent thermoplastic available for use as ocular prosthesis, replacement intraocular lenses when the original lens has been removed in the treatment of cataracts and has historically been used as hard contact lenses.

  6. Contact lens - Wikipedia

    en.wikipedia.org/wiki/Contact_lens

    Scleral lens, with visible outer edge resting on the sclera of a patient with severe dry eye syndrome. A scleral lens is a large, firm, transparent, oxygen-permeable contact lens that rests on the sclera and creates a tear-filled vault over the cornea. The cause of this unique positioning is usually relevant to a specific patient whose cornea ...

  7. Eye surgery - Wikipedia

    en.wikipedia.org/wiki/Eye_surgery

    A scleral buckle is used in the repair of a retinal detachment to indent or "buckle" the sclera inward, usually by sewing a piece of preserved sclera or silicone rubber to its surface. [23] Laser photocoagulation, or photocoagulation therapy, is the use of a laser to seal a retinal tear. [21] Pneumatic retinopexy

  8. Effects of long-term contact lens wear on the cornea - Wikipedia

    en.wikipedia.org/wiki/Effects_of_long-term...

    Long-term contact lens use can lead to alterations in corneal thickness, stromal thickness, curvature, corneal sensitivity, cell density, and epithelial oxygen uptake. . Other structural changes may include the formation of epithelial vacuoles and microcysts (containing cellular debris), corneal neovascularization, as well as the emergence of polymegethism in the corneal endoth

  9. Pre-Descemet's endothelial keratoplasty - Wikipedia

    en.wikipedia.org/wiki/Pre-Descemet's_Endothelial...

    Fig 4 : Pre Descemets Endothelial Keratoplasty - the latest technique of corneal eye transplantation Photograph of a patient with corneal haziness due to endothelial damage with lens displaced before surgery (left) and the same patient after 6 months of PDEK with glued IOL surgery (Right). Note the white cornea is becoming clear (right).

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