Diagnosis is by examination with a slit lamp. Two conflicting trends emerged in the development of the slit lamp. They are detected by slit lamp examination. With the introduction of the photo slit lamp further advancements were possible. Most children with JIA will require referral for regular slit lamp screening examinations. Diagnosis of the condition is done via a physical examination under a slit lamp. Fluorescein staining before slit lamp examination may reveal corneal abrasions or herpes simplex infection. This was improved again in 1950, when a company named Littmann redesigned the slit lamp. This may be done by ophthalmoscopy or fundus photography, and possibly slit lamp examination. In the year 1926, the slit lamp instrument was redesigned. This type of slit lamp is named after the manufacturing company Carl Zeiss. This type of slit lamp is named after the manufacturing company Haag Streit. This was soon followed by the Model 125/16 Slit Lamp in 1972. Band keratopathy is diagnosed by slit lamp examination of the eye. A slit lamp examination is likely to show evidence of anterior uveitis.