CONGENITAL ANTERIOR SEGMENT EPITHELIALISATION (CASE)

Congenital duplication of the anterior segment with central hamartomatous plaque.

A child born of a full-term pregnancy had unilateral splitting of the anterior segment of the right eye associated with choristoma. No other craniofacial abnormalitieswere found. The globe was slightly increased in size but was normal in shape. The 2 corneas were separated by a choristoma. Pathological examination revealed splitting of the anterior segment with 2 corneas, 2 lenses, and 2 irides...

Anterior Segment Findings in Vitamin A Deficiency: A Case Series

Vitamin A deficiency is a rare but vision threatening disorder in the developed world, which can lead to blindness for severe keratomalacia with cornea scarring and perforation or night blindness due to impaired dark adaptation. Conversely, the disease is quite common in developing countries, as a consequence of chronic malnutrition. The correct diagnosis and therapy with prompt vitamin A suppl...

Anterior segment surgery.

Anterior Segment Intraocular Lens

Yellow filters for the eye have been of interest to ophthalmologists and optometrists for the last 30 years. Certain fish species can change the colour of the cornea in response to the level of illumination and regulate the amount of short-wavelength light reaching the retina. A positive influence of yellow eye filters on reduction of chromatic aberration has been found in a fish eye model. Blu...

Identifying anterior segment crystals.

A series of 22 patients with crystals in the anterior segment of the eye was examined by specular microscopy. Of 10 patients with hypermature cataract and hyperrefringent bodies in the anterior chamber cholesterol crystals were identified in four patients and in six of the 10 in whom aspirate was obtained cholesterol crystals were demonstrated in three, two of these having shown crystals on spe...