Vocabulary

• for free: Without charge; at no cost.
• thanks to: Because of; as a result of.
• to do with: To be about something; concern
• talking about: To discuss a particular topic.
• in different ways: Using various methods or approaches; with variety.
• other than: Except for; apart from.
• lead to: To result in some action
• the whole story: The complete and unabridged account of something.
• based on: To use something as the foundation or starting point for something else.
• end up with: To have something as a result.
• at night: During the night; in the nighttime.
• due to: Because of; owing to
• on the order of: Approximately; about a certain amount or number.
• speed up: To move more quickly
• in general: Typically; usually; on the whole.
• hard to say: Difficult to know or predict; uncertain.
• macular degeneration: A progressive eye condition affecting the macula, leading to central vision loss.
• no matter: Regardless of; it does not matter.
• ultimately: Done or considered as the final and most important
• perceive: To notice or become aware of something
• access: Way to enter a place, e.g. a station or stadium
• slightly: Only a little
• demonstrate: To display a feeling or ability openly
• vast: Being very large in size or amount
• description: Explanation of what something is like, looks like
• determine: To control exactly how something will be or act
• prone: Lying flat with your head facing the ground
• tend: To move or act in a certain manner
• bit: Device put in a horse's mouth to control it
• absorb: To take up all attention / energy of something
• hypothesis: A theory trying to explain something
• sensitive: Taking offense easily; easily upset or hurt
• region: Part of a country, of the world, area, etc.
• perform: To carry out an action well or successfully
• explain: To make clear or easy to understand by describing
• reaction: Bodily response to a drug or something eaten
• vision: Ability to see; eyesight
• productivity: Rate at which people or machines produce
• performance: Act of doing something
• nervous: Concerning the system of nerves in the body
• pigment: Substance that makes things have a certain color
• record: Highest or most extreme level achieved
• quantity: A large amount of something
• click: To work well with someone or something
• suggest: To mention something that could be done; propose
• slight: Small (amount, quality)
• pop: To cause something to open or burst suddenly
• chemical: Basic substance produced by mixing elements
• signal: To be evidence/an indication something will happen
• master: To gain control over something
• array: A regular order or arrangement of things
• haven: Place where people can feel safe and happy
• audition: To try out for a part in a play or film
• offer: Price you say you are willing to pay for something
• hit: To have a negative impact on a person/place/thing
• sound: Sensible, dependable and reliable
• support: To give assistance or advice to someone
• learn: To get knowledge or skills by study or experience
• audio: Concerning sound
• athletic: Fit and strong; physically capable
• melanin: Pigment giving color to skin, hair etc.
• fail: To be unsuccessful in passing a class or exam
• scatter: To throw or move into various different directions
• set: Prepared for something; ready
• discomfort: To cause to feel uncomfortable or not at ease
• fluorescent: Having the property of fluorescence; brightly lit
• pigmentation: Coloration of living tissues by pigment
• unlimited: Being free from limits, restrictions or rules
• structural: Concerning or caused by structure
• degeneration: Process of gradual decline in condition/function
• reactive: Easily reacting to; responsive
• eyesight: Normal use of the faculty of vision
• questionable: Not likely to be right or true; doubtful
• replication: Act of making more exact copies of itself
• iris: Round colored part of an eye
• hazel: Color between light brown, green, and gray
• filmmaker: Person who makes movies; movie producer, director
• dimmer: Control that varies brightness of lights
• creatively: In a manner using new ideas