CHAPTER ONE

1.0                        INTRODUCTION

Ophthalmology information system is used to record the presence of many disorders, ranging from simple vision problems to infections such as conjunctivitis and trachoma. Eye exams commonly reveal other health problems as well, such as high blood pressure, diabetes mellitus, and brain tumors. During an eye exam, an ophthalmologist uses an ophthalmoscope or other special instrument to view the interior of the eye, particularly the retina. A simple eye chart is often used to help diagnose the most common vision disorders: nearsightedness, farsightedness, and astigmatism while Ophthalmology information system is used to document the observation. These disorders are caused by an abnormally shaped eye that prevents the cornea and lens from correctly focusing light on the retina, resulting in distorted vision. They are typically treated with glasses or contact lenses. Two forms of laser surgery are sometimes used to reshape the eye’s cornea in order to reduce or correct nearsightedness or farsightedness, thereby reducing or eliminating the need for corrective lenses. In photo refractive keratectomy (PRK), an ophthalmologist uses a laser beam; with laser in situ keratomileusis (LASIK), the ophthalmologist uses a laser beam and a tiny blade to reshape the cornea.

A Computerized ophthalmologist information system for hospital variously also called clinical information system (CIS) is a comprehensive, integrated information system designed to manage the administrative, financial and clinical aspects of a hospital. This encompasses paper-based information processing as well as data processing machines.

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