EDITORIAL The cornea is avascular for the simple reason that to be otherwise would compromise its role as the primary refracting surface of the eye. As a result, situations that may cause vascularisation of this beautifully transparent tissue are energetically avoided. Visual disturbance caused by vascular encroachment upon the central cornea region is, perhaps, the most obvious threat. However...

The damage mechanism for near-infrared radiation (IRR) induced cataract is unclear. Both a photochemical and a thermal mechanism were suggested. The current paper aims to elucidate a photochemical effect based on investigation of irradiance-exposure time reciprocity. Groups of 20 rats were unilaterally exposed to 96-W/cm(2) IRR at 1090 nm within the dilated pupil accumulating 57, 103, 198, and ...

Aim: To compare the complication and recurrence rates in patients undergoing limbal conjunctival autograft with or without adjuvant cryotherapy for primary recurrent pterygia.Methods: All information about cases operated between January 2014 2019 was scanned from electronic database. Fifty-three eyes combined were classified as Group 1, 47 only 2. Any development of new fibrovascular tissue lim...

PURPOSE Squamous metaplasia of the ocular surface epithelium in severe Sjögren syndrome (SS) dry eye has been implicated to be associated with chronic engagement of immune-mediated inflammation. While the detailed immunopathological mechanism underlying keratinization of the ocular muco-epithelium in this setting remains unclear, mice deficient in the autoimmune regulator gene (Aire) demonstrat...

PURPOSE Side population (SP) cells are known to reside in the limbus as putative corneal epithelial stem cells. This study was performed to demonstrate the presence and the characteristics of SP cells in the rabbit limbal epithelium and explore their sensitivity in response to the central cornea wounding. METHODS To sort out the SP cells, freshly isolated rabbit limbal and central corneal epi...

Surgical removal of left congenital limbo corneal mass by peripheral lamellar keratoplasty (LKP) using preserved remaining corneasclera graft from other recipient was effective for the treatment of limbocorneal fibroma. A case of 17 year old Chinese girl with a corneal mass since her birth on 4:00 'O clock position showed a size of about 2-3 mm. The patient was treated with total resection of t...

Intraocular foreign bodies (IOFBs) were 16-40% of open globe trauma and could cause severe visual loss. Therefore, they require immediate diagnosis treatment. This is a case an 18-year-old man who came to the hospital complaining metal piercing in his left eye while cutting some about 2 hours before entering hospital. On ophthalmologic examination, acuity was 3/60, full-thickness laceration cor...

This paper describes a new method for determining corneal surface detail utilizing a modified Zeiss photo slit lamp. This system projects a grid onto the cornea through a cobalt blue filter. The tear film is stained with fluorescein, causing the projected grid pattern to be visible on the corneal surface. A video image of the grid is then digitized by an image processor which calculates surface...

Squamous epithelia represent a morphologically and differentiation-dependent stratified tissue. The stem cells are located in the bulge region of hair follicles or in the basal layer of interfollicular epidermis and in the limbus of the cornea. This article summarizes the data about the glycobiological aspects of squamous epithelia cell differentiation under physiological as well as pathologica...