Comparison of stromal corneal nerves between normal and keratoconus patients using confocal microscopy.

Objective: To evaluate the differences in stromal corneal nerves between normal patients and keratoconus patients.

Material And Methods: A total of 140 eyes of 70 normal patients (group A) and 122 eyes of 87 keratoconus patients (group B) were examined with the confocal microscope, with a central scan of the total corneal thickness being taken. The morphology and thickness of the corneal stromal nerves were evaluated by using the Navis v.

Early confocal microscopy findings after cross-linking treatment.

Objective: To determine the effects of in vivo cross-linking treatment of the cornea.

Methods: Eighteen eyes of eighteen keratoconus patients underwent cross-linking treatment using a 0.1% riboflavin solution and ultraviolet A radiation at 370 nm at 3 mW/cm² for 30 minutes.

Epi-LASIK: a confocal microscopy analysis of the corneal epithelium and anterior stroma.

Background And Objective: To evaluate the confocal microscopy findings at the corneal epithelium and anterior stroma after epi-LASIK.

Patients And Methods: Twelve eyes of 12 patients underwent epi-LASIK. A central scan of the total corneal thickness was taken with the confocal microscope before and at 2 weeks and 1 month after surgery.

Support of the laboratory in the diagnosis of fungal ocular infections.

This is a retrospective, and descriptive study about the support that the laboratory of microbiology aids can provide in the diagnosis of ocular infections in patients whom were attended a tertiary-care hospital in México City in a 10-year-time period. We describe the microbiological diagnosis in palpebral mycose; in keratitis caused by Fusarium, Aspergillus, Candida, and melanized fungi; endophthalmitis; one Histoplasma scleritis and one mucormycosis. Nowadays, ocular fungal infections are more often diagnosed, because there is more clinical suspicion and there are easy laboratory confirmations.

How a femtosecond laser increases safety and precision in cataract surgery?

Purpose Of Review: To look at the recent applications of femtosecond laser (FSL) technology for capsulotomy and nuclear fragmentation in cataract surgery, the potential advantages, such as more precise and adjustable capsulotomies and the use of less phaco energy with this technology.

Recent Findings: The FSL can create incisions or spaces of different shapes, at a desired depth. This has started the application of the technology in the lens: after a clear image is taken of the lens through a previously dilated pupil, circular capsulotomy is done, with precision in shape and diameter, and in most cases, just needs to be grabbed, or requires very small use of the with the forceps.

[Bacterial corneal ulcer treated with intrastromal antibiotic. Experimental model in vivo].

Objective: To compare the therapeutic effectiveness of a single intrastromal dose of gentamycin, tobramycin, ciprofloxacin and ofloxacin for the treatment of corneal ulcers due to Pseudomonas aeruginosa.

Methods: Twelve white female New Zealand rabbits underwent mechanical removal of corneal epithelium; then one drop of salt suspension containing Pseudomonas aeruginosa (75,000,000 colony forming units) was instilled over the Bowman's layer. Rabbits were distributed in five groups according to the type of antibiotic used: group A: gentamycin, group B: tobramycin, group C: ciprofloxacin, group D: ofloxacin and control groups.

Traumatic flap dislocation 4 years after LASIK due to air bag injury.

Purpose: To report a patient who developed corneal flap dislocation following air bag injury 48 months after LASIK.

Methods: Evaluation by slit-lamp microscopy and fluorescein angiography.

Results: A 29-year-old man was treated after air bag injury that occurred 48 months after LASIK.

A comparative confocal microscopy analysis after LASIK with the IntraLase femtosecond laser vs Hansatome microkeratome.

Purpose: To evaluate and compare confocal microscopy findings between a femtosecond laser and a mechanical microkeratome.

Methods: Eighteen eyes of nine patients underwent LASIK. Corneal flaps were created with the femtosecond laser in the right eyes and a mechanical microkeratome in the left eyes.

Confocal microscopy of corneal flap microfolds after LASIK.

Purpose: To describe the morphological characteristics of microfolds that appear at the corneal flap after LASIK, as seen under confocal microscopy.

Methods: Twenty-one eyes that had undergone LASIK were examined, all within 3 weeks to 1 month after surgery. A central scan of the total corneal thickness was obtained by using confocal microscopy in vivo.

Occupational corneal argyrosis in art silver solderers.

Purpose: To determine the value of confocal and specular microscopy in the examination of corneal argyrosis in art silver solderers.

Methods: Six patients with corneal argyrosis underwent a complete physical and ophthalmologic examination. Specular microscopy was performed in three cases, and in vivo confocal microscopy in four cases.

A corneal diffuse neurofibroma as a manifestation of von recklinghausen disease.

Purpose: To report a case of a primary corneal diffuse neurofibroma in a patient with von Recklinghausen disease (NF-1).

Methods: Case report. A physical examination and histopathology were performed.

Frozen cultured sheets of epidermal keratinocytes in reepithelialization and repair of the cornea after photorefractive keratectomy.

Purpose: To determine whether frozen cultured sheets of human allogeneic epidermal keratinocytes (CEAK) improved wound repair after experimental corneal ablation by photorefractive keratectomy (PRK).

Setting: Hospital "Luis Sanchez Bulnes" de la Asociación para Evitar la Ceguera en Mexico, I.A.

Pneumococcal keratitis at the flap interface after laser in situ keratomileusis.

A 28-year-old woman had uneventful laser in situ keratomileusis in the right eye. Six days postoperatively, she reported ocular pain and a large corneal stromal infiltrate was observed at the flap interface. A second surgery including lifting and excising the flap and scraping the stromal bed was performed.