Recently, several new ophthalmic NSAID products have been introduced for commercial use in the United States. The purpose of this review is to briefly overview the ophthalmic NSAIDs currently in use and to discuss the management of postoperative ocular inflammation and pain following cataract surgery with a particular focus on bromfenac ophthalmic solution 0.09%. Bromfenac ophthalmic solution 0.09% is indicated for the reduction of ocular pain and inflammation following cataract surgery. Studies have shown that bromfenac ophthalmic solution 0.09% has equivalent efficacy to the other topical NSAIDs in reducing postsurgical inflammation and controlling pain. The unique chemical structure of bromfenac makes it both a potent inhibitor of the COX-2 enzyme and a highly lipophilic molecule that rapidly penetrates to produce early and sustained drug levels in all ocular tissues. Clinically, these pharmacokinetic features are manifested in a rapid reduction of postsurgical inflammation and pain with bid dosing. Bromfenac ophthalmic solution 0.09% is a versatile agent and is effective when used as either monotherapy or as an adjunct therapy to steroids.
Patients treated with topical prednisolone alone had a significantly higher incidence of visually significant pseudophakic macular edema after uneventful cataract surgery than those treated with topical prednisolone and nepafenac.
We describe a patient with systemic graft-versus-host disease who developed a nonhealing epithelial defect after cataract surgery that healed on cessation of a topical nonsteroidal antiinflammatory drug (NSAID) (ketorolac). The patient developed a central corneal perforation in the fellow eye while on a new NSAID formulation (nepafenac) after routine cataract surgery. Our case suggests that new topical NSAIDs may be similar to older NSAID formulations in promoting corneal melting in patients predisposed to poor epithelialization and corneal wound healing.
Introduction: With the recent introduction of small-incision cataract surgery, requirements for intraocular lens (IOL) flexibility, strength and hydrophilicity have rapidly evolved. The IOL surface, however, remains a critical factor influencing uveal biocompatibility. Purpose: To objectively quantify factors of material properties of various IOLs using contact angle measurements, differential scanning calorimetry, dynamic-mechanical measurements and scanning electron microscopy. Material and Methods: In our study, 17 currently available IOLs were investigated using contact angle measurements to assess hydrophilicity and biocompatibility, as well as differential scanning calorimetry for the estimation of glass transition temperature. Mechanical capacity and flexibility were investigated using dynamic-mechanical measurements. Additional analysis of the IOL surface was performed using scanning electron microscopy. Results: The contact angle measurements of the studied IOLs revealed similar values within each group. The silicone IOLs had values between 106 and 119°. The PMMA IOLs were found to have a narrower range of values, between 73.2 and 75.5°. Lenses made of hydrogel had values between 59.2 and 69.1°. The heparin-modified surface showed the lowest contact angle of 56.5°. The glass transition temperature was determined by dynamic differential scanning calorimetry. The resulting values were between 118.8 and 113.5°C for PMMA IOLs, 15.5 and 14.0°C for acrylic IOLs, and –91.7 and –119.6°C for silicone IOLs. The dynamic-mechanical measurements revealed that PMMA lenses manifested characteristics similar to glass, whereas silicone lenses had characteristics similar to rubber. Acrylic lenses were between rubber and glass. Scanning electron microscopy revealed smooth dispersion of fibrin on hydrophobic IOLs and a relative lack of fibrin adhesion on hydrophilic materials. Conclusion: These results demonstrate that material properties of various IOL materials are consistent within classes of IOL materials. This suggests that the intraoperative and postoperative behavior of an IOL is predictable and related to its composition, thus allowing surgeons to choose IOLs more appropriate for different surgical situations and individual patient characteristics.
A 90-year-old man reported a 1-year history of tearing and irritation in the left eye. Ophthalmic examination was significant for bloody mucopurulent material expressed from the left nasolacrimal duct. The patient underwent external dacryocystorhinostomy with excision of a soft-tissue mass. Initial histopathologic examination of the specimen revealed an atypical lymphoid infiltrate. Subsequent immunohistochemistry suggested that the mass was reactive lymphoid hyperplasia. Lymphoid hyperplasia should be considered in the differential diagnosis of bloody epiphora, in addition to primary malignancy of the nasolacrimal duct, hematologic abnormalities, coagulopathies, vascular tumors, and giant papillary conjunctivitis.
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