Synsstyrken står i dokumentet.

In Danish, the is usually attached to the end of the noun instead of being a separate word.

• en synsstyrke = a visual acuity / eyesight strength

• synsstyrken = the visual acuity

• et dokument = a document
• dokumentet = the document

The ending depends on the noun’s gender:

• common gender often takes -en
• neuter often takes -et

So in this sentence:

• synsstyrken = definite singular of en synsstyrke
• dokumentet = definite singular of et dokument

Because Danish, like German, usually writes compound nouns as one word.

Here, the noun is built from:

• syn = sight / vision
• styrke = strength

Together, synsstyrke means something like vision strength or visual acuity.

This is very normal in Danish. English often separates or hyphenates ideas that Danish combines into one word.

That s is a very common linking s in Danish compounds.

So the structure is:

• syn
• linking s
• styrke

This gives synsstyrke.

You will see this in many Danish compound words. The linking s does not always correspond neatly to anything in English; it is just part of how the compound is formed.

Yes, stå literally means to stand, and står is the present tense.

But Danish also uses stå idiomatically when talking about information in writing. In that context, står means:

• is written
• is stated
• appears
• says

So står i dokumentet is a very natural way to say that the information is written in the document.

A very common example is:

• Det står i bogen = It says so in the book / It is written in the book

You could, but it sounds less idiomatic if you mean that the information is written there.

• står i dokumentet focuses on the fact that it is written/stated in the document
• er i dokumentet only says that it is in the document

So when talking about text or recorded information, står is usually the more natural choice.

Because Danish normally uses i when something is contained in a document, text, file, or written source.

So:

• i dokumentet = in the document

Using på would usually suggest something more like being on a physical surface, or it may be used in other contexts such as some websites or platforms. But for information written inside a document, i is the standard choice.

Because Danish verbs do not change for person the way English verbs sometimes do.

For example:

• jeg står = I stand / I am standing
• du står = you stand
• han står = he stands
• de står = they stand

The form står stays the same.

That is good news for learners: Danish verb conjugation is much simpler than English in this respect.

Yes. The sentence you have is a normal main-clause order:

• Synsstyrken står i dokumentet

But Danish often moves another element to the front for emphasis. For example:

• I dokumentet står synsstyrken

This is possible because Danish is a verb-second language in main clauses: the finite verb usually stays in the second position.

So both are grammatical, but they emphasize slightly different things:

• Synsstyrken står i dokumentet = neutral
• I dokumentet står synsstyrken = stronger focus on in the document

Yes, it is natural and understandable.

That said, in more formal or official writing, Danish might also use phrases like:

• Synsstyrken fremgår af dokumentet = The visual acuity appears from the document
• Synsstyrken er angivet i dokumentet = The visual acuity is stated/specified in the document

So står i dokumentet is perfectly fine and common, while those alternatives sound a bit more formal or bureaucratic.