Diagnose, manage, and treat conditions and diseases of the human eye and visual system. Examine eyes and visual system, diagnose problems or impairments, prescribe corrective lenses, and provide treatment. May prescribe therapeutic drugs to treat specific eye conditions.

Examine eyes, using observation, instruments and pharmaceutical agents, to determine visual acuity and perception, focus and coordination and to diagnose diseases and other abnormalities such as glaucoma or color blindness. Analyze test results and develop a treatment plan. Prescribe, supply, fit and adjust eyeglasses, contact lenses and other vision aids. Prescribe medications to treat eye diseases if state laws permit. Educate and counsel patients on contact lens care, visual hygiene, lighting arrangements and safety factors. Consult with and refer patients to ophthalmologist or other health care practitioner if additional medical treatment is determined necessary. Remove foreign bodies from the eye. Provide patients undergoing eye surgeries , such as cataract and laser vision correction, with pre- and post-operative care. Prescribe therapeutic procedures to correct or conserve vision. Provide vision therapy and low vision rehabilitation.

Medicine and Dentistry -- Knowledge of the information and techniques needed to diagnose and treat human injuries, diseases, and deformities. This includes symptoms, treatment alternatives, drug properties and interactions, and preventive health-care measures. Customer and Personal Service -- Knowledge of principles and processes for providing customer and personal services. This includes customer needs assessment, meeting quality standards for services, and evaluation of customer satisfaction. English Language -- Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar. Biology -- Knowledge of plant and animal organisms, their tissues, cells, functions, interdependencies, and interactions with each other and the environment. Mathematics -- Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications. Economics and Accounting -- Knowledge of economic and accounting principles and practices, the financial markets, banking and the analysis and reporting of financial data. Administration and Management -- Knowledge of business and management principles involved in strategic planning, resource allocation, human resources modeling, leadership technique, production methods, and coordination of people and resources. Psychology -- Knowledge of human behavior and performance; individual differences in ability, personality, and interests; learning and motivation; psychological research methods; and the assessment and treatment of behavioral and affective disorders. Sales and Marketing -- Knowledge of principles and methods for showing, promoting, and selling products or services. This includes marketing strategy and tactics, product demonstration, sales techniques, and sales control systems. Personnel and Human Resources -- Knowledge of principles and procedures for personnel recruitment, selection, training, compensation and benefits, labor relations and negotiation, and personnel information systems.

Active Listening -- Giving full attention to what other people are saying, taking time to understand the points being made, asking questions as appropriate, and not interrupting at inappropriate times. Reading Comprehension -- Understanding written sentences and paragraphs in work related documents. Judgment and Decision Making -- Considering the relative costs and benefits of potential actions to choose the most appropriate one. Critical Thinking -- Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems. Science -- Using scientific rules and methods to solve problems. Service Orientation -- Actively looking for ways to help people. Speaking -- Talking to others to convey information effectively. Complex Problem Solving -- Identifying complex problems and reviewing related information to develop and evaluate options and implement solutions. Instructing -- Teaching others how to do something. Mathematics -- Using mathematics to solve problems.

Oral Expression -- The ability to communicate information and ideas in speaking so others will understand. Arm-Hand Steadiness -- The ability to keep your hand and arm steady while moving your arm or while holding your arm and hand in one position. Problem Sensitivity -- The ability to tell when something is wrong or is likely to go wrong. It does not involve solving the problem, only recognizing there is a problem. Near Vision -- The ability to see details at close range (within a few feet of the observer). Oral Comprehension -- The ability to listen to and understand information and ideas presented through spoken words and sentences. Inductive Reasoning -- The ability to combine pieces of information to form general rules or conclusions (includes finding a relationship among seemingly unrelated events). Speech Recognition -- The ability to identify and understand the speech of another person. Speech Clarity -- The ability to speak clearly so others can understand you. Finger Dexterity -- The ability to make precisely coordinated movements of the fingers of one or both hands to grasp, manipulate, or assemble very small objects. Manual Dexterity -- The ability to quickly move your hand, your hand together with your arm, or your two hands to grasp, manipulate, or assemble objects.

Making Decisions and Solving Problems -- Analyzing information and evaluating results to choose the best solution and solve problems. Performing for or Working Directly with the Public -- Performing for people or dealing directly with the public. This includes serving customers in restaurants and stores, and receiving clients or guests. Updating and Using Relevant Knowledge -- Keeping up-to-date technically and applying new knowledge to your job. Establishing and Maintaining Interpersonal Relationships -- Developing constructive and cooperative working relationships with others, and maintaining them over time. Processing Information -- Compiling, coding, categorizing, calculating, tabulating, auditing, or verifying information or data. Evaluating Information to Determine Compliance with Standards -- Using relevant information and individual judgment to determine whether events or processes comply with laws, regulations, or standards. Organizing, Planning, and Prioritizing Work -- Developing specific goals and plans to prioritize, organize, and accomplish your work. Getting Information -- Observing, receiving, and otherwise obtaining information from all relevant sources. Assisting and Caring for Others -- Providing personal assistance, medical attention, emotional support, or other personal care to others such as coworkers, customers, or patients. Scheduling Work and Activities -- Scheduling events, programs, and activities, as well as the work of others.