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A Snellen chart is an eye chart that can be used to measure visual acuity. Snellen charts are named after the Dutch ophthalmologist Herman Snellen who developed the chart in 1862 as a measurement tool for the acuity formula developed by his professor Franciscus Cornelius Donders .
Near visual acuity or near vision is a measure of how clearly a person can see nearby small objects or letters.Visual acuity in general usually refers clarity of distance vision, and is measured using eye charts like Snellen chart, LogMAR chart etc. Near vision is usually measured and recorded using a printed hand-held card containing different sized paragraphs, words, letters or symbols.
MA Chirelstein, Concepts and Case Analysis in the Law of Contracts (6th edn 2010) EA Farnsworth, Contracts (2008) LL Fuller, MA Eisenberg and MP Gergen Basic Contract Law (9th edn 2013) CL Knapp, NM Crystal and HG Prince, Problems in Contract Law: Cases and Materials (7th edn Aspen 2012) Books. OW Holmes, The Common Law (1890) chs 7-9
An example of the Landolt C eye chart (also known as the Japanese eye chart). Numerous types of eye charts exist and are used in various situations. For example, the Snellen chart is designed for use at 6 meters or 20 feet, and is thus appropriate for testing distance vision, while the ETDRS chart is designed for use at 4 meters. [16]
In business, an MoU is typically a legally non-binding agreement between two (or more) parties, outlining terms and details of a mutual understanding or agreement, noting each party's requirements and responsibilities—but without establishing a formal, legally enforceable contract (though an MoU is often a first step towards the development of a formal contract).
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A take-or-pay contract, or a take-or-pay clause within a contract, is a payment obligation agreed between a business customer and its supplier. With this kind of contract, the customer either takes the product from the supplier or pays the supplier a penalty. For any product the company takes, it agrees to pay the supplier a certain price, say ...