Preoperative Eye Exam

A preoperative eye exam is a structured assessment performed before ocular surgery to evaluate eye health, establish baseline function, and identify factors that may affect surgical planning or recovery. Clinicians typically measure visual acuity and intraocular pressure, examine the ocular surface and anterior segment with slit-lamp biomicroscopy, and assess the retina and optic nerve when indicated. These findings help determine surgical suitability, select an appropriate procedure and anesthesia plan, identify conditions requiring treatment or additional testing, and support informed consent. By documenting preexisting abnormalities and potential risks, the exam improves perioperative safety and provides a reference for evaluating postoperative outcomes.

Preoperative Eye Exam - Related Videos

Research

JoVE EoE - Immunopathology

Fluorescein Staining in an Autoimmune Dry Eye Rat Model to Examine Corneal Damage

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2025

This video demonstrates the staining of the damaged cornea using fluorescein dye to evaluate the extent of autoimmune dry eye disease in a rat model. The green fluorescence spots of the stained collagen fibers indicate corneal epithelial damaged cells.

Education

JoVE Science Education - Clinical Skills

Ophthalmoscopic Examination

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2023

Source: Richard Glickman-Simon, MD, Assistant Professor, Department of Public Health and Community Medicine, Tufts University School of Medicine, MA The simplest ophthalmoscopes consist of an aperture to look through, a diopter indicator, and a disc for selecting lenses. The ophthalmoscope is primarily used to examine the fundus, or the inner wall of the posterior eye, which consists of the choroid, retina, fovea, macula, optic disc, and retinal vessels (Figure 1). The spherical eyeball...

Preoperational Thought IV: Numbers

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2026

Piaget’s preoperational stage, from about ages 2 to 7, is characterized by rapid growth in symbolic thinking. Children increasingly use words, images, and objects to represent ideas, although their reasoning remains largely intuitive. During this period, number sense develops from memorized counting toward an understanding of quantity and basic arithmetic.Counting and CardinalityChildren younger than age 3 may recite number words without fully understanding their numerical meaning. During the...

The Comprehensive Infant Examination

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2023

Source: Heather Collette and Jaideep Talwalkar; Yale School of Medicine The newborn exam is important in establishing a baby's baseline health status as they enter the world. Newborn providers have the unique opportunity to evaluate a patient for the very first time. They are also tasked with identifying congenital anomalies that require early intervention to promote a long and healthy life for the child. Many newborn anomalies, such as heart defects, are noted on prenatal ultrasound. However,...

Mental Status Examination

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2023

Source: Carmen Black, Matthew Goldenberg, and Jaideep Talwalkar; Yale School of Medicine The mental status exam is a clinical evaluation of emotional, perceptual, and cognitive functioning that spans both the fields of psychiatry and neurology. Developing skill in the psychiatric portions of the examination are important to describe salient aspects of the patient's mental state that may be observed during routine history and/or physical exam. Proficiency in the cognitive portions of this...

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