---
title: Glasses lenses bend light so it focuses on the retina, and wearing t… — The optician and glasses · tree and pragmatics
description: Glasses lenses bend light so it focuses on the retina, and wearing them does not make eyes worse. Who acts: Glasses lenses, lens, wearing. A sentence of the lesson «The optician and glasses» of the medicine course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# The optician and glasses, sentence 6

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Glasses lenses bend light so it focuses on the retina, and wearing them does not make eyes worse.

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**Who acts:** Glasses lenses, lens, wearing · **What happens:** bend, focus, wear, not make · **To what, where:** light, lines, eyes

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This is a sentence of the lesson «The optician and glasses» of the medicine course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Glasses lenses, lens, wearing), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:medicine:027-the-optician-and-glasses.lesson:6
# text = Glasses lenses bend light so it focuses on the retina, and wearing them does not make eyes worse.
# source = school lesson (ours)
# course = medicine
# lesson = 027-the-optician-and-glasses.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R1-cc-next ×1, R5-strong ×1, R7-rel-agree ×1
1	Glasses	glass	NOUN	NNS	Number=Plur	2	compound	_	_
2	lenses	lens	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	bend	bend	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	light	light	NOUN	NN	Number=Sing	3	obj	_	_
5	so	so	ADV	RB	_	7	advmod	_	_
6	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	7	nsubj	_	_
7	focuses	focus	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	advcl	_	_
8	on	on	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	retina	retina	NOUN	NN	Number=Sing	7	obl	_	_
11	,	,	PUNCT	,	_	7	punct	_	_
12	and	and	CCONJ	CC	_	17	cc	_	Agree=R1-cc-next|Haiku=7:cc
13	wearing	wear	VERB	VBG	Tense=Pres|VerbForm=Part	17	csubj	_	Agree=R7-rel-agree|Haiku=17:nsubj
14	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	13	obj	_	_
15	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	17	aux	_	_
16	not	not	PART	RB	Polarity=Neg	17	advmod	_	_
17	make	make	VERB	VB	VerbForm=Inf	7	conj	_	_
18	eyes	eye	NOUN	NNS	Number=Plur	17	obj	_	_
19	worse	bad	ADJ	JJR	Degree=Cmp	17	xcomp	_	Agree=R5-strong|Haiku=18:amod
20	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **bend** | present | Glasses lenses | light |  |  |  |  | vn knead-26.5 «NP V NP.material»: agent=Agent light=Material |
| 2 | **focus** | present | lens |  |  |  |  | on the retina | vn focus-87.1 «NP V PP.topic»: agent=Agent on retina=Topic |
| 3 | **wear** | gerund |  | lines *= line* |  |  |  |  | vn wipe\_manner-10.4.1-1 «NP V NP.source»: agent=Agent they=Source |
| 4 | **not** **make** | present · do-support | wearing | eyes |  |  |  | bad *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset eye=Product |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:medicine:027-the-optician-and-glasses.lesson:6`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R1-cc-next ×1, R5-strong ×1, R7-rel-agree ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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